Home / 87,850.71-121,233.96-47,564.46

Finding the Fourth Proportional to 87,850.71, 121,233.96 and 47,564.46

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Solution

The fourth proportional to 87,850.71, 121,233.96 and 47,564.46 is: 65,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.71 : 121,233.96 = 47,564.46 : x
  2. Step 2: Convert to fraction form
    87,850.71/121,233.96 = 47,564.46/x
  3. Step 3: Cross multiply
    87,850.71x = 121,233.96 × 47,564.46
  4. Step 4: Simplify right side
    87,850.71x = 5,766,427,841.06
  5. Step 5: Solve for x
    x = 5,766,427,841.06/87,850.71
  6. Step 6: Final answer
    x = 65,638.94

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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.