Home / 97,817.20-146,774.40-38,654.80

Finding the Fourth Proportional to 97,817.20, 146,774.40 and 38,654.80

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Solution

The fourth proportional to 97,817.20, 146,774.40 and 38,654.80 is: 58,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,817.20 : 146,774.40 = 38,654.80 : x
  2. Step 2: Convert to fraction form
    97,817.20/146,774.40 = 38,654.80/x
  3. Step 3: Cross multiply
    97,817.20x = 146,774.40 × 38,654.80
  4. Step 4: Simplify right side
    97,817.20x = 5,673,535,077.12
  5. Step 5: Solve for x
    x = 5,673,535,077.12/97,817.20
  6. Step 6: Final answer
    x = 58,001.41

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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.