Home / 83,679.25-125,522.91-27,518.11

Finding the Fourth Proportional to 83,679.25, 125,522.91 and 27,518.11

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Solution

The fourth proportional to 83,679.25, 125,522.91 and 27,518.11 is: 41,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679.25 : 125,522.91 = 27,518.11 : x
  2. Step 2: Convert to fraction form
    83,679.25/125,522.91 = 27,518.11/x
  3. Step 3: Cross multiply
    83,679.25x = 125,522.91 × 27,518.11
  4. Step 4: Simplify right side
    83,679.25x = 3,454,153,244.90
  5. Step 5: Solve for x
    x = 3,454,153,244.90/83,679.25
  6. Step 6: Final answer
    x = 41,278.49

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1.5x scale

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.