Home / 87,966.33-121,372.39-52,165.14

Finding the Fourth Proportional to 87,966.33, 121,372.39 and 52,165.14

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Solution

The fourth proportional to 87,966.33, 121,372.39 and 52,165.14 is: 71,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.33 : 121,372.39 = 52,165.14 : x
  2. Step 2: Convert to fraction form
    87,966.33/121,372.39 = 52,165.14/x
  3. Step 3: Cross multiply
    87,966.33x = 121,372.39 × 52,165.14
  4. Step 4: Simplify right side
    87,966.33x = 6,331,407,716.48
  5. Step 5: Solve for x
    x = 6,331,407,716.48/87,966.33
  6. Step 6: Final answer
    x = 71,975.35

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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.