Home / 83,172.61-124,578.15-51,590.44

Finding the Fourth Proportional to 83,172.61, 124,578.15 and 51,590.44

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Solution

The fourth proportional to 83,172.61, 124,578.15 and 51,590.44 is: 77,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,172.61 : 124,578.15 = 51,590.44 : x
  2. Step 2: Convert to fraction form
    83,172.61/124,578.15 = 51,590.44/x
  3. Step 3: Cross multiply
    83,172.61x = 124,578.15 × 51,590.44
  4. Step 4: Simplify right side
    83,172.61x = 6,427,041,572.89
  5. Step 5: Solve for x
    x = 6,427,041,572.89/83,172.61
  6. Step 6: Final answer
    x = 77,273.53

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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.