Home / 89,581.14-123,619.35-49,294.88

Finding the Fourth Proportional to 89,581.14, 123,619.35 and 49,294.88

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Solution

The fourth proportional to 89,581.14, 123,619.35 and 49,294.88 is: 68,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,581.14 : 123,619.35 = 49,294.88 : x
  2. Step 2: Convert to fraction form
    89,581.14/123,619.35 = 49,294.88/x
  3. Step 3: Cross multiply
    89,581.14x = 123,619.35 × 49,294.88
  4. Step 4: Simplify right side
    89,581.14x = 6,093,800,159.36
  5. Step 5: Solve for x
    x = 6,093,800,159.36/89,581.14
  6. Step 6: Final answer
    x = 68,025.49

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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.