Home / 93,641.38-129,225.27-51,199.90

Finding the Fourth Proportional to 93,641.38, 129,225.27 and 51,199.90

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Solution

The fourth proportional to 93,641.38, 129,225.27 and 51,199.90 is: 70,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,641.38 : 129,225.27 = 51,199.90 : x
  2. Step 2: Convert to fraction form
    93,641.38/129,225.27 = 51,199.90/x
  3. Step 3: Cross multiply
    93,641.38x = 129,225.27 × 51,199.90
  4. Step 4: Simplify right side
    93,641.38x = 6,616,320,901.47
  5. Step 5: Solve for x
    x = 6,616,320,901.47/93,641.38
  6. Step 6: Final answer
    x = 70,655.95

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Half scale
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Double scale
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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.