Home / 89,475.60-123,476.73-49,191.96

Finding the Fourth Proportional to 89,475.60, 123,476.73 and 49,191.96

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Solution

The fourth proportional to 89,475.60, 123,476.73 and 49,191.96 is: 67,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.60 : 123,476.73 = 49,191.96 : x
  2. Step 2: Convert to fraction form
    89,475.60/123,476.73 = 49,191.96/x
  3. Step 3: Cross multiply
    89,475.60x = 123,476.73 × 49,191.96
  4. Step 4: Simplify right side
    89,475.60x = 6,074,062,363.09
  5. Step 5: Solve for x
    x = 6,074,062,363.09/89,475.60
  6. Step 6: Final answer
    x = 67,885.13

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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.