Home / 54,885.28-75,742.05-29,734.78

Finding the Fourth Proportional to 54,885.28, 75,742.05 and 29,734.78

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Solution

The fourth proportional to 54,885.28, 75,742.05 and 29,734.78 is: 41,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.28 : 75,742.05 = 29,734.78 : x
  2. Step 2: Convert to fraction form
    54,885.28/75,742.05 = 29,734.78/x
  3. Step 3: Cross multiply
    54,885.28x = 75,742.05 × 29,734.78
  4. Step 4: Simplify right side
    54,885.28x = 2,252,173,193.50
  5. Step 5: Solve for x
    x = 2,252,173,193.50/54,885.28
  6. Step 6: Final answer
    x = 41,034.19

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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.