Home / 89,387.19-123,354.84-49,099.62

Finding the Fourth Proportional to 89,387.19, 123,354.84 and 49,099.62

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Solution

The fourth proportional to 89,387.19, 123,354.84 and 49,099.62 is: 67,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,387.19 : 123,354.84 = 49,099.62 : x
  2. Step 2: Convert to fraction form
    89,387.19/123,354.84 = 49,099.62/x
  3. Step 3: Cross multiply
    89,387.19x = 123,354.84 × 49,099.62
  4. Step 4: Simplify right side
    89,387.19x = 6,056,675,769.16
  5. Step 5: Solve for x
    x = 6,056,675,769.16/89,387.19
  6. Step 6: Final answer
    x = 67,757.76

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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.