Home / 48,650.46-67,144.14-28,515.30

Finding the Fourth Proportional to 48,650.46, 67,144.14 and 28,515.30

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Solution

The fourth proportional to 48,650.46, 67,144.14 and 28,515.30 is: 39,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,650.46 : 67,144.14 = 28,515.30 : x
  2. Step 2: Convert to fraction form
    48,650.46/67,144.14 = 28,515.30/x
  3. Step 3: Cross multiply
    48,650.46x = 67,144.14 × 28,515.30
  4. Step 4: Simplify right side
    48,650.46x = 1,914,635,295.34
  5. Step 5: Solve for x
    x = 1,914,635,295.34/48,650.46
  6. Step 6: Final answer
    x = 39,354.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.