Home / 83,087.64-124,702.20-33,202.71

Finding the Fourth Proportional to 83,087.64, 124,702.20 and 33,202.71

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Solution

The fourth proportional to 83,087.64, 124,702.20 and 33,202.71 is: 49,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,087.64 : 124,702.20 = 33,202.71 : x
  2. Step 2: Convert to fraction form
    83,087.64/124,702.20 = 33,202.71/x
  3. Step 3: Cross multiply
    83,087.64x = 124,702.20 × 33,202.71
  4. Step 4: Simplify right side
    83,087.64x = 4,140,450,982.96
  5. Step 5: Solve for x
    x = 4,140,450,982.96/83,087.64
  6. Step 6: Final answer
    x = 49,832.33

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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.