Home / 97,982.28-146,980.10-38,817.86

Finding the Fourth Proportional to 97,982.28, 146,980.10 and 38,817.86

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Solution

The fourth proportional to 97,982.28, 146,980.10 and 38,817.86 is: 58,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,982.28 : 146,980.10 = 38,817.86 : x
  2. Step 2: Convert to fraction form
    97,982.28/146,980.10 = 38,817.86/x
  3. Step 3: Cross multiply
    97,982.28x = 146,980.10 × 38,817.86
  4. Step 4: Simplify right side
    97,982.28x = 5,705,452,306.73
  5. Step 5: Solve for x
    x = 5,705,452,306.73/97,982.28
  6. Step 6: Final answer
    x = 58,229.43

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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.