Home / 80,158.48-120,237.60-32,148.74

Finding the Fourth Proportional to 80,158.48, 120,237.60 and 32,148.74

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Solution

The fourth proportional to 80,158.48, 120,237.60 and 32,148.74 is: 48,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,158.48 : 120,237.60 = 32,148.74 : x
  2. Step 2: Convert to fraction form
    80,158.48/120,237.60 = 32,148.74/x
  3. Step 3: Cross multiply
    80,158.48x = 120,237.60 × 32,148.74
  4. Step 4: Simplify right side
    80,158.48x = 3,865,487,761.78
  5. Step 5: Solve for x
    x = 3,865,487,761.78/80,158.48
  6. Step 6: Final answer
    x = 48,223.07

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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.