Home / 83,320.75-124,994.16-27,147.82

Finding the Fourth Proportional to 83,320.75, 124,994.16 and 27,147.82

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Solution

The fourth proportional to 83,320.75, 124,994.16 and 27,147.82 is: 40,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.75 : 124,994.16 = 27,147.82 : x
  2. Step 2: Convert to fraction form
    83,320.75/124,994.16 = 27,147.82/x
  3. Step 3: Cross multiply
    83,320.75x = 124,994.16 × 27,147.82
  4. Step 4: Simplify right side
    83,320.75x = 3,393,318,956.73
  5. Step 5: Solve for x
    x = 3,393,318,956.73/83,320.75
  6. Step 6: Final answer
    x = 40,725.98

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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.