Home / 89,632.20-123,687.90-49,347.66

Finding the Fourth Proportional to 89,632.20, 123,687.90 and 49,347.66

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Solution

The fourth proportional to 89,632.20, 123,687.90 and 49,347.66 is: 68,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,632.20 : 123,687.90 = 49,347.66 : x
  2. Step 2: Convert to fraction form
    89,632.20/123,687.90 = 49,347.66/x
  3. Step 3: Cross multiply
    89,632.20x = 123,687.90 × 49,347.66
  4. Step 4: Simplify right side
    89,632.20x = 6,103,708,435.31
  5. Step 5: Solve for x
    x = 6,103,708,435.31/89,632.20
  6. Step 6: Final answer
    x = 68,097.27

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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.