Home / 83,679.73-125,513.25-27,521.67

Finding the Fourth Proportional to 83,679.73, 125,513.25 and 27,521.67

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Solution

The fourth proportional to 83,679.73, 125,513.25 and 27,521.67 is: 41,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679.73 : 125,513.25 = 27,521.67 : x
  2. Step 2: Convert to fraction form
    83,679.73/125,513.25 = 27,521.67/x
  3. Step 3: Cross multiply
    83,679.73x = 125,513.25 × 27,521.67
  4. Step 4: Simplify right side
    83,679.73x = 3,454,334,247.13
  5. Step 5: Solve for x
    x = 3,454,334,247.13/83,679.73
  6. Step 6: Final answer
    x = 41,280.42

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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.