Home / 83,319.75-124,992.66-27,146.82

Finding the Fourth Proportional to 83,319.75, 124,992.66 and 27,146.82

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Solution

The fourth proportional to 83,319.75, 124,992.66 and 27,146.82 is: 40,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.75 : 124,992.66 = 27,146.82 : x
  2. Step 2: Convert to fraction form
    83,319.75/124,992.66 = 27,146.82/x
  3. Step 3: Cross multiply
    83,319.75x = 124,992.66 × 27,146.82
  4. Step 4: Simplify right side
    83,319.75x = 3,393,153,242.34
  5. Step 5: Solve for x
    x = 3,393,153,242.34/83,319.75
  6. Step 6: Final answer
    x = 40,724.48

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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.