Home / 63,916.20-95,874.30-40,645.80

Finding the Fourth Proportional to 63,916.20, 95,874.30 and 40,645.80

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Solution

The fourth proportional to 63,916.20, 95,874.30 and 40,645.80 is: 60,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,916.20 : 95,874.30 = 40,645.80 : x
  2. Step 2: Convert to fraction form
    63,916.20/95,874.30 = 40,645.80/x
  3. Step 3: Cross multiply
    63,916.20x = 95,874.30 × 40,645.80
  4. Step 4: Simplify right side
    63,916.20x = 3,896,887,622.94
  5. Step 5: Solve for x
    x = 3,896,887,622.94/63,916.20
  6. Step 6: Final answer
    x = 60,968.70

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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.