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Finding the Fourth Proportional to 89,753.58, 123,854.88 and 49,467.22

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Solution

The fourth proportional to 89,753.58, 123,854.88 and 49,467.22 is: 68,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.58 : 123,854.88 = 49,467.22 : x
  2. Step 2: Convert to fraction form
    89,753.58/123,854.88 = 49,467.22/x
  3. Step 3: Cross multiply
    89,753.58x = 123,854.88 × 49,467.22
  4. Step 4: Simplify right side
    89,753.58x = 6,126,756,597.03
  5. Step 5: Solve for x
    x = 6,126,756,597.03/89,753.58
  6. Step 6: Final answer
    x = 68,261.97

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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.