Home / 89,753.20-123,858.80-49,467.04

Finding the Fourth Proportional to 89,753.20, 123,858.80 and 49,467.04

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Solution

The fourth proportional to 89,753.20, 123,858.80 and 49,467.04 is: 68,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.20 : 123,858.80 = 49,467.04 : x
  2. Step 2: Convert to fraction form
    89,753.20/123,858.80 = 49,467.04/x
  3. Step 3: Cross multiply
    89,753.20x = 123,858.80 × 49,467.04
  4. Step 4: Simplify right side
    89,753.20x = 6,126,928,213.95
  5. Step 5: Solve for x
    x = 6,126,928,213.95/89,753.20
  6. Step 6: Final answer
    x = 68,264.18

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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.