Home / 87,934.08-121,359.69-49,695.24

Finding the Fourth Proportional to 87,934.08, 121,359.69 and 49,695.24

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Solution

The fourth proportional to 87,934.08, 121,359.69 and 49,695.24 is: 68,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.08 : 121,359.69 = 49,695.24 : x
  2. Step 2: Convert to fraction form
    87,934.08/121,359.69 = 49,695.24/x
  3. Step 3: Cross multiply
    87,934.08x = 121,359.69 × 49,695.24
  4. Step 4: Simplify right side
    87,934.08x = 6,030,998,920.88
  5. Step 5: Solve for x
    x = 6,030,998,920.88/87,934.08
  6. Step 6: Final answer
    x = 68,585.46

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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.