Home / 83,317.93-124,989.85-27,144.96

Finding the Fourth Proportional to 83,317.93, 124,989.85 and 27,144.96

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Solution

The fourth proportional to 83,317.93, 124,989.85 and 27,144.96 is: 40,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,317.93 : 124,989.85 = 27,144.96 : x
  2. Step 2: Convert to fraction form
    83,317.93/124,989.85 = 27,144.96/x
  3. Step 3: Cross multiply
    83,317.93x = 124,989.85 × 27,144.96
  4. Step 4: Simplify right side
    83,317.93x = 3,392,844,410.79
  5. Step 5: Solve for x
    x = 3,392,844,410.79/83,317.93
  6. Step 6: Final answer
    x = 40,721.66

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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.