Home / 115,505.28-159,399.90-67,793.04

Finding the Fourth Proportional to 115,505.28, 159,399.90 and 67,793.04

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Solution

The fourth proportional to 115,505.28, 159,399.90 and 67,793.04 is: 93,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,505.28 : 159,399.90 = 67,793.04 : x
  2. Step 2: Convert to fraction form
    115,505.28/159,399.90 = 67,793.04/x
  3. Step 3: Cross multiply
    115,505.28x = 159,399.90 × 67,793.04
  4. Step 4: Simplify right side
    115,505.28x = 10,806,203,796.70
  5. Step 5: Solve for x
    x = 10,806,203,796.70/115,505.28
  6. Step 6: Final answer
    x = 93,555.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.