Home / 89,723.91-123,818.97-49,437.55

Finding the Fourth Proportional to 89,723.91, 123,818.97 and 49,437.55

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Solution

The fourth proportional to 89,723.91, 123,818.97 and 49,437.55 is: 68,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.91 : 123,818.97 = 49,437.55 : x
  2. Step 2: Convert to fraction form
    89,723.91/123,818.97 = 49,437.55/x
  3. Step 3: Cross multiply
    89,723.91x = 123,818.97 × 49,437.55
  4. Step 4: Simplify right side
    89,723.91x = 6,121,306,520.32
  5. Step 5: Solve for x
    x = 6,121,306,520.32/89,723.91
  6. Step 6: Final answer
    x = 68,223.80

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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.