Home / 83,701.72-125,520.44-35,639.87

Finding the Fourth Proportional to 83,701.72, 125,520.44 and 35,639.87

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Solution

The fourth proportional to 83,701.72, 125,520.44 and 35,639.87 is: 53,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,701.72 : 125,520.44 = 35,639.87 : x
  2. Step 2: Convert to fraction form
    83,701.72/125,520.44 = 35,639.87/x
  3. Step 3: Cross multiply
    83,701.72x = 125,520.44 × 35,639.87
  4. Step 4: Simplify right side
    83,701.72x = 4,473,532,163.94
  5. Step 5: Solve for x
    x = 4,473,532,163.94/83,701.72
  6. Step 6: Final answer
    x = 53,446.12

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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.