Home / 54,694.28-75,478.14-29,543.78

Finding the Fourth Proportional to 54,694.28, 75,478.14 and 29,543.78

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Solution

The fourth proportional to 54,694.28, 75,478.14 and 29,543.78 is: 40,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,694.28 : 75,478.14 = 29,543.78 : x
  2. Step 2: Convert to fraction form
    54,694.28/75,478.14 = 29,543.78/x
  3. Step 3: Cross multiply
    54,694.28x = 75,478.14 × 29,543.78
  4. Step 4: Simplify right side
    54,694.28x = 2,229,909,562.97
  5. Step 5: Solve for x
    x = 2,229,909,562.97/54,694.28
  6. Step 6: Final answer
    x = 40,770.43

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1.5x scale

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.