Home / 89,812.08-123,939.92-49,527.52

Finding the Fourth Proportional to 89,812.08, 123,939.92 and 49,527.52

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Solution

The fourth proportional to 89,812.08, 123,939.92 and 49,527.52 is: 68,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.08 : 123,939.92 = 49,527.52 : x
  2. Step 2: Convert to fraction form
    89,812.08/123,939.92 = 49,527.52/x
  3. Step 3: Cross multiply
    89,812.08x = 123,939.92 × 49,527.52
  4. Step 4: Simplify right side
    89,812.08x = 6,138,436,866.60
  5. Step 5: Solve for x
    x = 6,138,436,866.60/89,812.08
  6. Step 6: Final answer
    x = 68,347.56

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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.