Home / 82,945.20-124,359.48-38,524.80

Finding the Fourth Proportional to 82,945.20, 124,359.48 and 38,524.80

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Solution

The fourth proportional to 82,945.20, 124,359.48 and 38,524.80 is: 57,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945.20 : 124,359.48 = 38,524.80 : x
  2. Step 2: Convert to fraction form
    82,945.20/124,359.48 = 38,524.80/x
  3. Step 3: Cross multiply
    82,945.20x = 124,359.48 × 38,524.80
  4. Step 4: Simplify right side
    82,945.20x = 4,790,924,095.10
  5. Step 5: Solve for x
    x = 4,790,924,095.10/82,945.20
  6. Step 6: Final answer
    x = 57,760.11

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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.