Home / 93,609.19-129,165.60-53,323.74

Finding the Fourth Proportional to 93,609.19, 129,165.60 and 53,323.74

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Solution

The fourth proportional to 93,609.19, 129,165.60 and 53,323.74 is: 73,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,609.19 : 129,165.60 = 53,323.74 : x
  2. Step 2: Convert to fraction form
    93,609.19/129,165.60 = 53,323.74/x
  3. Step 3: Cross multiply
    93,609.19x = 129,165.60 × 53,323.74
  4. Step 4: Simplify right side
    93,609.19x = 6,887,592,871.34
  5. Step 5: Solve for x
    x = 6,887,592,871.34/93,609.19
  6. Step 6: Final answer
    x = 73,578.17

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Double scale
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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.