Home / 83,307.10-124,960.56-27,147.14

Finding the Fourth Proportional to 83,307.10, 124,960.56 and 27,147.14

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Solution

The fourth proportional to 83,307.10, 124,960.56 and 27,147.14 is: 40,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,307.10 : 124,960.56 = 27,147.14 : x
  2. Step 2: Convert to fraction form
    83,307.10/124,960.56 = 27,147.14/x
  3. Step 3: Cross multiply
    83,307.10x = 124,960.56 × 27,147.14
  4. Step 4: Simplify right side
    83,307.10x = 3,392,321,816.80
  5. Step 5: Solve for x
    x = 3,392,321,816.80/83,307.10
  6. Step 6: Final answer
    x = 40,720.68

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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.