Home / 52,350.50-78,511.88-22,761.61

Finding the Fourth Proportional to 52,350.50, 78,511.88 and 22,761.61

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Solution

The fourth proportional to 52,350.50, 78,511.88 and 22,761.61 is: 34,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,350.50 : 78,511.88 = 22,761.61 : x
  2. Step 2: Convert to fraction form
    52,350.50/78,511.88 = 22,761.61/x
  3. Step 3: Cross multiply
    52,350.50x = 78,511.88 × 22,761.61
  4. Step 4: Simplify right side
    52,350.50x = 1,787,056,653.55
  5. Step 5: Solve for x
    x = 1,787,056,653.55/52,350.50
  6. Step 6: Final answer
    x = 34,136.38

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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.