Home / 87,587.28-120,868.44-53,593.20

Finding the Fourth Proportional to 87,587.28, 120,868.44 and 53,593.20

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Solution

The fourth proportional to 87,587.28, 120,868.44 and 53,593.20 is: 73,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,587.28 : 120,868.44 = 53,593.20 : x
  2. Step 2: Convert to fraction form
    87,587.28/120,868.44 = 53,593.20/x
  3. Step 3: Cross multiply
    87,587.28x = 120,868.44 × 53,593.20
  4. Step 4: Simplify right side
    87,587.28x = 6,477,726,478.61
  5. Step 5: Solve for x
    x = 6,477,726,478.61/87,587.28
  6. Step 6: Final answer
    x = 73,957.39

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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.