Home / 83,639.81-125,364.27-33,687.92

Finding the Fourth Proportional to 83,639.81, 125,364.27 and 33,687.92

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Solution

The fourth proportional to 83,639.81, 125,364.27 and 33,687.92 is: 50,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,639.81 : 125,364.27 = 33,687.92 : x
  2. Step 2: Convert to fraction form
    83,639.81/125,364.27 = 33,687.92/x
  3. Step 3: Cross multiply
    83,639.81x = 125,364.27 × 33,687.92
  4. Step 4: Simplify right side
    83,639.81x = 4,223,261,498.62
  5. Step 5: Solve for x
    x = 4,223,261,498.62/83,639.81
  6. Step 6: Final answer
    x = 50,493.44

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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.