Home / 66,117.20-99,240.60-32,874.80

Finding the Fourth Proportional to 66,117.20, 99,240.60 and 32,874.80

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Solution

The fourth proportional to 66,117.20, 99,240.60 and 32,874.80 is: 49,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.20 : 99,240.60 = 32,874.80 : x
  2. Step 2: Convert to fraction form
    66,117.20/99,240.60 = 32,874.80/x
  3. Step 3: Cross multiply
    66,117.20x = 99,240.60 × 32,874.80
  4. Step 4: Simplify right side
    66,117.20x = 3,262,514,876.88
  5. Step 5: Solve for x
    x = 3,262,514,876.88/66,117.20
  6. Step 6: Final answer
    x = 49,344.42

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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.