Home / 89,339.75-123,287.99-49,053.16

Finding the Fourth Proportional to 89,339.75, 123,287.99 and 49,053.16

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Solution

The fourth proportional to 89,339.75, 123,287.99 and 49,053.16 is: 67,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.75 : 123,287.99 = 49,053.16 : x
  2. Step 2: Convert to fraction form
    89,339.75/123,287.99 = 49,053.16/x
  3. Step 3: Cross multiply
    89,339.75x = 123,287.99 × 49,053.16
  4. Step 4: Simplify right side
    89,339.75x = 6,047,664,883.11
  5. Step 5: Solve for x
    x = 6,047,664,883.11/89,339.75
  6. Step 6: Final answer
    x = 67,692.88

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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.