Home / 83,850.24-125,748.66-27,679.83

Finding the Fourth Proportional to 83,850.24, 125,748.66 and 27,679.83

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Solution

The fourth proportional to 83,850.24, 125,748.66 and 27,679.83 is: 41,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,850.24 : 125,748.66 = 27,679.83 : x
  2. Step 2: Convert to fraction form
    83,850.24/125,748.66 = 27,679.83/x
  3. Step 3: Cross multiply
    83,850.24x = 125,748.66 × 27,679.83
  4. Step 4: Simplify right side
    83,850.24x = 3,480,701,531.53
  5. Step 5: Solve for x
    x = 3,480,701,531.53/83,850.24
  6. Step 6: Final answer
    x = 41,510.93

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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.