Home / 55,132.44-76,082.40-29,981.88

Finding the Fourth Proportional to 55,132.44, 76,082.40 and 29,981.88

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Solution

The fourth proportional to 55,132.44, 76,082.40 and 29,981.88 is: 41,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.44 : 76,082.40 = 29,981.88 : x
  2. Step 2: Convert to fraction form
    55,132.44/76,082.40 = 29,981.88/x
  3. Step 3: Cross multiply
    55,132.44x = 76,082.40 × 29,981.88
  4. Step 4: Simplify right side
    55,132.44x = 2,281,093,386.91
  5. Step 5: Solve for x
    x = 2,281,093,386.91/55,132.44
  6. Step 6: Final answer
    x = 41,374.79

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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.