Home / 83,236.74-124,838.82-69,286.38

Finding the Fourth Proportional to 83,236.74, 124,838.82 and 69,286.38

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Solution

The fourth proportional to 83,236.74, 124,838.82 and 69,286.38 is: 103,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,236.74 : 124,838.82 = 69,286.38 : x
  2. Step 2: Convert to fraction form
    83,236.74/124,838.82 = 69,286.38/x
  3. Step 3: Cross multiply
    83,236.74x = 124,838.82 × 69,286.38
  4. Step 4: Simplify right side
    83,236.74x = 8,649,629,921.27
  5. Step 5: Solve for x
    x = 8,649,629,921.27/83,236.74
  6. Step 6: Final answer
    x = 103,916.01

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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.