Home / 89,335.43-123,283.13-49,051.80

Finding the Fourth Proportional to 89,335.43, 123,283.13 and 49,051.80

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Solution

The fourth proportional to 89,335.43, 123,283.13 and 49,051.80 is: 67,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.43 : 123,283.13 = 49,051.80 : x
  2. Step 2: Convert to fraction form
    89,335.43/123,283.13 = 49,051.80/x
  3. Step 3: Cross multiply
    89,335.43x = 123,283.13 × 49,051.80
  4. Step 4: Simplify right side
    89,335.43x = 6,047,259,436.13
  5. Step 5: Solve for x
    x = 6,047,259,436.13/89,335.43
  6. Step 6: Final answer
    x = 67,691.61

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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.