Home / 83,172.22-124,775.84-27,007.93

Finding the Fourth Proportional to 83,172.22, 124,775.84 and 27,007.93

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Solution

The fourth proportional to 83,172.22, 124,775.84 and 27,007.93 is: 40,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,172.22 : 124,775.84 = 27,007.93 : x
  2. Step 2: Convert to fraction form
    83,172.22/124,775.84 = 27,007.93/x
  3. Step 3: Cross multiply
    83,172.22x = 124,775.84 × 27,007.93
  4. Step 4: Simplify right side
    83,172.22x = 3,369,937,375.90
  5. Step 5: Solve for x
    x = 3,369,937,375.90/83,172.22
  6. Step 6: Final answer
    x = 40,517.58

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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.