Home / 89,793.36-123,909.21-49,505.04

Finding the Fourth Proportional to 89,793.36, 123,909.21 and 49,505.04

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Solution

The fourth proportional to 89,793.36, 123,909.21 and 49,505.04 is: 68,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,793.36 : 123,909.21 = 49,505.04 : x
  2. Step 2: Convert to fraction form
    89,793.36/123,909.21 = 49,505.04/x
  3. Step 3: Cross multiply
    89,793.36x = 123,909.21 × 49,505.04
  4. Step 4: Simplify right side
    89,793.36x = 6,134,130,397.42
  5. Step 5: Solve for x
    x = 6,134,130,397.42/89,793.36
  6. Step 6: Final answer
    x = 68,313.85

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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.