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Finding the Fourth Proportional to 73,414.71, 101,312.10 and 39,880.71

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Solution

The fourth proportional to 73,414.71, 101,312.10 and 39,880.71 is: 55,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,414.71 : 101,312.10 = 39,880.71 : x
  2. Step 2: Convert to fraction form
    73,414.71/101,312.10 = 39,880.71/x
  3. Step 3: Cross multiply
    73,414.71x = 101,312.10 × 39,880.71
  4. Step 4: Simplify right side
    73,414.71x = 4,040,398,479.59
  5. Step 5: Solve for x
    x = 4,040,398,479.59/73,414.71
  6. Step 6: Final answer
    x = 55,035.27

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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.