Home / 83,310.12-124,952.36-27,150.10

Finding the Fourth Proportional to 83,310.12, 124,952.36 and 27,150.10

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Solution

The fourth proportional to 83,310.12, 124,952.36 and 27,150.10 is: 40,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,310.12 : 124,952.36 = 27,150.10 : x
  2. Step 2: Convert to fraction form
    83,310.12/124,952.36 = 27,150.10/x
  3. Step 3: Cross multiply
    83,310.12x = 124,952.36 × 27,150.10
  4. Step 4: Simplify right side
    83,310.12x = 3,392,469,069.24
  5. Step 5: Solve for x
    x = 3,392,469,069.24/83,310.12
  6. Step 6: Final answer
    x = 40,720.97

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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.