Home / 83,081.04-114,658.38-47,272.56

Finding the Fourth Proportional to 83,081.04, 114,658.38 and 47,272.56

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Solution

The fourth proportional to 83,081.04, 114,658.38 and 47,272.56 is: 65,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,081.04 : 114,658.38 = 47,272.56 : x
  2. Step 2: Convert to fraction form
    83,081.04/114,658.38 = 47,272.56/x
  3. Step 3: Cross multiply
    83,081.04x = 114,658.38 × 47,272.56
  4. Step 4: Simplify right side
    83,081.04x = 5,420,195,148.05
  5. Step 5: Solve for x
    x = 5,420,195,148.05/83,081.04
  6. Step 6: Final answer
    x = 65,239.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.