Home / 83,180.40-124,737.44-48,144.72

Finding the Fourth Proportional to 83,180.40, 124,737.44 and 48,144.72

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Solution

The fourth proportional to 83,180.40, 124,737.44 and 48,144.72 is: 72,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,180.40 : 124,737.44 = 48,144.72 : x
  2. Step 2: Convert to fraction form
    83,180.40/124,737.44 = 48,144.72/x
  3. Step 3: Cross multiply
    83,180.40x = 124,737.44 × 48,144.72
  4. Step 4: Simplify right side
    83,180.40x = 6,005,449,122.32
  5. Step 5: Solve for x
    x = 6,005,449,122.32/83,180.40
  6. Step 6: Final answer
    x = 72,197.89

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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.