Home / 87,222.04-131,426.55-71,773.54

Finding the Fourth Proportional to 87,222.04, 131,426.55 and 71,773.54

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Solution

The fourth proportional to 87,222.04, 131,426.55 and 71,773.54 is: 108,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222.04 : 131,426.55 = 71,773.54 : x
  2. Step 2: Convert to fraction form
    87,222.04/131,426.55 = 71,773.54/x
  3. Step 3: Cross multiply
    87,222.04x = 131,426.55 × 71,773.54
  4. Step 4: Simplify right side
    87,222.04x = 9,432,949,154.19
  5. Step 5: Solve for x
    x = 9,432,949,154.19/87,222.04
  6. Step 6: Final answer
    x = 108,148.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.