Home / 88,049.40-131,976.90-48,634.80

Finding the Fourth Proportional to 88,049.40, 131,976.90 and 48,634.80

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Solution

The fourth proportional to 88,049.40, 131,976.90 and 48,634.80 is: 72,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,049.40 : 131,976.90 = 48,634.80 : x
  2. Step 2: Convert to fraction form
    88,049.40/131,976.90 = 48,634.80/x
  3. Step 3: Cross multiply
    88,049.40x = 131,976.90 × 48,634.80
  4. Step 4: Simplify right side
    88,049.40x = 6,418,670,136.12
  5. Step 5: Solve for x
    x = 6,418,670,136.12/88,049.40
  6. Step 6: Final answer
    x = 72,898.51

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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.