Home / 89,744.06-123,839.60-52,020.74

Finding the Fourth Proportional to 89,744.06, 123,839.60 and 52,020.74

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Solution

The fourth proportional to 89,744.06, 123,839.60 and 52,020.74 is: 71,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.06 : 123,839.60 = 52,020.74 : x
  2. Step 2: Convert to fraction form
    89,744.06/123,839.60 = 52,020.74/x
  3. Step 3: Cross multiply
    89,744.06x = 123,839.60 × 52,020.74
  4. Step 4: Simplify right side
    89,744.06x = 6,442,227,633.30
  5. Step 5: Solve for x
    x = 6,442,227,633.30/89,744.06
  6. Step 6: Final answer
    x = 71,784.45

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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.