Home / 87,724.80-121,064.76-49,998.24

Finding the Fourth Proportional to 87,724.80, 121,064.76 and 49,998.24

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Solution

The fourth proportional to 87,724.80, 121,064.76 and 49,998.24 is: 69,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,724.80 : 121,064.76 = 49,998.24 : x
  2. Step 2: Convert to fraction form
    87,724.80/121,064.76 = 49,998.24/x
  3. Step 3: Cross multiply
    87,724.80x = 121,064.76 × 49,998.24
  4. Step 4: Simplify right side
    87,724.80x = 6,053,024,926.02
  5. Step 5: Solve for x
    x = 6,053,024,926.02/87,724.80
  6. Step 6: Final answer
    x = 69,000.16

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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.