Home / 83,702.22-125,521.19-35,640.37

Finding the Fourth Proportional to 83,702.22, 125,521.19 and 35,640.37

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Solution

The fourth proportional to 83,702.22, 125,521.19 and 35,640.37 is: 53,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.22 : 125,521.19 = 35,640.37 : x
  2. Step 2: Convert to fraction form
    83,702.22/125,521.19 = 35,640.37/x
  3. Step 3: Cross multiply
    83,702.22x = 125,521.19 × 35,640.37
  4. Step 4: Simplify right side
    83,702.22x = 4,473,621,654.44
  5. Step 5: Solve for x
    x = 4,473,621,654.44/83,702.22
  6. Step 6: Final answer
    x = 53,446.87

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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.