Home / 48,375.08-72,578.80-18,793.88

Finding the Fourth Proportional to 48,375.08, 72,578.80 and 18,793.88

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Solution

The fourth proportional to 48,375.08, 72,578.80 and 18,793.88 is: 28,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.08 : 72,578.80 = 18,793.88 : x
  2. Step 2: Convert to fraction form
    48,375.08/72,578.80 = 18,793.88/x
  3. Step 3: Cross multiply
    48,375.08x = 72,578.80 × 18,793.88
  4. Step 4: Simplify right side
    48,375.08x = 1,364,037,257.74
  5. Step 5: Solve for x
    x = 1,364,037,257.74/48,375.08
  6. Step 6: Final answer
    x = 28,197.11

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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.