Home / 54,932.16-75,806.88-29,781.72

Finding the Fourth Proportional to 54,932.16, 75,806.88 and 29,781.72

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Solution

The fourth proportional to 54,932.16, 75,806.88 and 29,781.72 is: 41,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,932.16 : 75,806.88 = 29,781.72 : x
  2. Step 2: Convert to fraction form
    54,932.16/75,806.88 = 29,781.72/x
  3. Step 3: Cross multiply
    54,932.16x = 75,806.88 × 29,781.72
  4. Step 4: Simplify right side
    54,932.16x = 2,257,659,274.23
  5. Step 5: Solve for x
    x = 2,257,659,274.23/54,932.16
  6. Step 6: Final answer
    x = 41,099.04

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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.