Home / 87,953.92-121,382.28-49,700.16

Finding the Fourth Proportional to 87,953.92, 121,382.28 and 49,700.16

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Solution

The fourth proportional to 87,953.92, 121,382.28 and 49,700.16 is: 68,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,953.92 : 121,382.28 = 49,700.16 : x
  2. Step 2: Convert to fraction form
    87,953.92/121,382.28 = 49,700.16/x
  3. Step 3: Cross multiply
    87,953.92x = 121,382.28 × 49,700.16
  4. Step 4: Simplify right side
    87,953.92x = 6,032,718,737.16
  5. Step 5: Solve for x
    x = 6,032,718,737.16/87,953.92
  6. Step 6: Final answer
    x = 68,589.54

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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.