Home / 83,449.06-115,164.31-47,650.57

Finding the Fourth Proportional to 83,449.06, 115,164.31 and 47,650.57

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Solution

The fourth proportional to 83,449.06, 115,164.31 and 47,650.57 is: 65,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.06 : 115,164.31 = 47,650.57 : x
  2. Step 2: Convert to fraction form
    83,449.06/115,164.31 = 47,650.57/x
  3. Step 3: Cross multiply
    83,449.06x = 115,164.31 × 47,650.57
  4. Step 4: Simplify right side
    83,449.06x = 5,487,644,320.21
  5. Step 5: Solve for x
    x = 5,487,644,320.21/83,449.06
  6. Step 6: Final answer
    x = 65,760.41

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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.