Home / 97,732.90-146,555.55-38,538.10

Finding the Fourth Proportional to 97,732.90, 146,555.55 and 38,538.10

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Solution

The fourth proportional to 97,732.90, 146,555.55 and 38,538.10 is: 57,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,732.90 : 146,555.55 = 38,538.10 : x
  2. Step 2: Convert to fraction form
    97,732.90/146,555.55 = 38,538.10/x
  3. Step 3: Cross multiply
    97,732.90x = 146,555.55 × 38,538.10
  4. Step 4: Simplify right side
    97,732.90x = 5,647,972,441.46
  5. Step 5: Solve for x
    x = 5,647,972,441.46/97,732.90
  6. Step 6: Final answer
    x = 57,789.88

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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.