Home / 83,243.42-114,876.30-45,517.64

Finding the Fourth Proportional to 83,243.42, 114,876.30 and 45,517.64

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Solution

The fourth proportional to 83,243.42, 114,876.30 and 45,517.64 is: 62,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,243.42 : 114,876.30 = 45,517.64 : x
  2. Step 2: Convert to fraction form
    83,243.42/114,876.30 = 45,517.64/x
  3. Step 3: Cross multiply
    83,243.42x = 114,876.30 × 45,517.64
  4. Step 4: Simplify right side
    83,243.42x = 5,228,898,067.93
  5. Step 5: Solve for x
    x = 5,228,898,067.93/83,243.42
  6. Step 6: Final answer
    x = 62,814.55

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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.