Home / 89,473.25-123,475.45-49,188.03

Finding the Fourth Proportional to 89,473.25, 123,475.45 and 49,188.03

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Solution

The fourth proportional to 89,473.25, 123,475.45 and 49,188.03 is: 67,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473.25 : 123,475.45 = 49,188.03 : x
  2. Step 2: Convert to fraction form
    89,473.25/123,475.45 = 49,188.03/x
  3. Step 3: Cross multiply
    89,473.25x = 123,475.45 × 49,188.03
  4. Step 4: Simplify right side
    89,473.25x = 6,073,513,892.92
  5. Step 5: Solve for x
    x = 6,073,513,892.92/89,473.25
  6. Step 6: Final answer
    x = 67,880.78

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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.