Home / 87,952.73-121,373.40-47,666.15

Finding the Fourth Proportional to 87,952.73, 121,373.40 and 47,666.15

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Solution

The fourth proportional to 87,952.73, 121,373.40 and 47,666.15 is: 65,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,952.73 : 121,373.40 = 47,666.15 : x
  2. Step 2: Convert to fraction form
    87,952.73/121,373.40 = 47,666.15/x
  3. Step 3: Cross multiply
    87,952.73x = 121,373.40 × 47,666.15
  4. Step 4: Simplify right side
    87,952.73x = 5,785,402,083.54
  5. Step 5: Solve for x
    x = 5,785,402,083.54/87,952.73
  6. Step 6: Final answer
    x = 65,778.54

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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.