Home / 83,474.24-115,195.44-45,747.68

Finding the Fourth Proportional to 83,474.24, 115,195.44 and 45,747.68

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Solution

The fourth proportional to 83,474.24, 115,195.44 and 45,747.68 is: 63,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,474.24 : 115,195.44 = 45,747.68 : x
  2. Step 2: Convert to fraction form
    83,474.24/115,195.44 = 45,747.68/x
  3. Step 3: Cross multiply
    83,474.24x = 115,195.44 × 45,747.68
  4. Step 4: Simplify right side
    83,474.24x = 5,269,924,126.58
  5. Step 5: Solve for x
    x = 5,269,924,126.58/83,474.24
  6. Step 6: Final answer
    x = 63,132.34

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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.