Home / 95,381.02-142,793.20-71,471.31

Finding the Fourth Proportional to 95,381.02, 142,793.20 and 71,471.31

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Solution

The fourth proportional to 95,381.02, 142,793.20 and 71,471.31 is: 106,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,381.02 : 142,793.20 = 71,471.31 : x
  2. Step 2: Convert to fraction form
    95,381.02/142,793.20 = 71,471.31/x
  3. Step 3: Cross multiply
    95,381.02x = 142,793.20 × 71,471.31
  4. Step 4: Simplify right side
    95,381.02x = 10,205,617,063.09
  5. Step 5: Solve for x
    x = 10,205,617,063.09/95,381.02
  6. Step 6: Final answer
    x = 106,998.41

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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.