Home / 93,578.76-129,146.36-53,305.12

Finding the Fourth Proportional to 93,578.76, 129,146.36 and 53,305.12

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Solution

The fourth proportional to 93,578.76, 129,146.36 and 53,305.12 is: 73,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,578.76 : 129,146.36 = 53,305.12 : x
  2. Step 2: Convert to fraction form
    93,578.76/129,146.36 = 53,305.12/x
  3. Step 3: Cross multiply
    93,578.76x = 129,146.36 × 53,305.12
  4. Step 4: Simplify right side
    93,578.76x = 6,884,162,217.36
  5. Step 5: Solve for x
    x = 6,884,162,217.36/93,578.76
  6. Step 6: Final answer
    x = 73,565.44

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Half scale
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Double scale
Find fourth proportional to 93,579.76, 129,147.74 and 53,306.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.