Home / 87,908.70-121,306.20-52,092.66

Finding the Fourth Proportional to 87,908.70, 121,306.20 and 52,092.66

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Solution

The fourth proportional to 87,908.70, 121,306.20 and 52,092.66 is: 71,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.70 : 121,306.20 = 52,092.66 : x
  2. Step 2: Convert to fraction form
    87,908.70/121,306.20 = 52,092.66/x
  3. Step 3: Cross multiply
    87,908.70x = 121,306.20 × 52,092.66
  4. Step 4: Simplify right side
    87,908.70x = 6,319,162,632.49
  5. Step 5: Solve for x
    x = 6,319,162,632.49/87,908.70
  6. Step 6: Final answer
    x = 71,883.25

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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.