Home / 89,957.24-124,149.12-49,679.72

Finding the Fourth Proportional to 89,957.24, 124,149.12 and 49,679.72

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Solution

The fourth proportional to 89,957.24, 124,149.12 and 49,679.72 is: 68,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.24 : 124,149.12 = 49,679.72 : x
  2. Step 2: Convert to fraction form
    89,957.24/124,149.12 = 49,679.72/x
  3. Step 3: Cross multiply
    89,957.24x = 124,149.12 × 49,679.72
  4. Step 4: Simplify right side
    89,957.24x = 6,167,693,519.85
  5. Step 5: Solve for x
    x = 6,167,693,519.85/89,957.24
  6. Step 6: Final answer
    x = 68,562.50

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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.