Home / 97,720.60-146,480.82-38,532.28

Finding the Fourth Proportional to 97,720.60, 146,480.82 and 38,532.28

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Solution

The fourth proportional to 97,720.60, 146,480.82 and 38,532.28 is: 57,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,720.60 : 146,480.82 = 38,532.28 : x
  2. Step 2: Convert to fraction form
    97,720.60/146,480.82 = 38,532.28/x
  3. Step 3: Cross multiply
    97,720.60x = 146,480.82 × 38,532.28
  4. Step 4: Simplify right side
    97,720.60x = 5,644,239,970.87
  5. Step 5: Solve for x
    x = 5,644,239,970.87/97,720.60
  6. Step 6: Final answer
    x = 57,758.96

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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.