Home / 101,921.31-152,942.09-38,794.55

Finding the Fourth Proportional to 101,921.31, 152,942.09 and 38,794.55

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Solution

The fourth proportional to 101,921.31, 152,942.09 and 38,794.55 is: 58,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,921.31 : 152,942.09 = 38,794.55 : x
  2. Step 2: Convert to fraction form
    101,921.31/152,942.09 = 38,794.55/x
  3. Step 3: Cross multiply
    101,921.31x = 152,942.09 × 38,794.55
  4. Step 4: Simplify right side
    101,921.31x = 5,933,318,598.93
  5. Step 5: Solve for x
    x = 5,933,318,598.93/101,921.31
  6. Step 6: Final answer
    x = 58,214.70

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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.