Home / 89,830.11-123,966.15-49,544.97

Finding the Fourth Proportional to 89,830.11, 123,966.15 and 49,544.97

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Solution

The fourth proportional to 89,830.11, 123,966.15 and 49,544.97 is: 68,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830.11 : 123,966.15 = 49,544.97 : x
  2. Step 2: Convert to fraction form
    89,830.11/123,966.15 = 49,544.97/x
  3. Step 3: Cross multiply
    89,830.11x = 123,966.15 × 49,544.97
  4. Step 4: Simplify right side
    89,830.11x = 6,141,898,532.10
  5. Step 5: Solve for x
    x = 6,141,898,532.10/89,830.11
  6. Step 6: Final answer
    x = 68,372.38

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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.