Home / 124,974.28-187,461.42-54,854.20

Finding the Fourth Proportional to 124,974.28, 187,461.42 and 54,854.20

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Solution

The fourth proportional to 124,974.28, 187,461.42 and 54,854.20 is: 82,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.28 : 187,461.42 = 54,854.20 : x
  2. Step 2: Convert to fraction form
    124,974.28/187,461.42 = 54,854.20/x
  3. Step 3: Cross multiply
    124,974.28x = 187,461.42 × 54,854.20
  4. Step 4: Simplify right side
    124,974.28x = 10,283,046,224.96
  5. Step 5: Solve for x
    x = 10,283,046,224.96/124,974.28
  6. Step 6: Final answer
    x = 82,281.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.