Home / 92,702.27-138,721.23-80,265.23

Finding the Fourth Proportional to 92,702.27, 138,721.23 and 80,265.23

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Solution

The fourth proportional to 92,702.27, 138,721.23 and 80,265.23 is: 120,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.27 : 138,721.23 = 80,265.23 : x
  2. Step 2: Convert to fraction form
    92,702.27/138,721.23 = 80,265.23/x
  3. Step 3: Cross multiply
    92,702.27x = 138,721.23 × 80,265.23
  4. Step 4: Simplify right side
    92,702.27x = 11,134,490,738.23
  5. Step 5: Solve for x
    x = 11,134,490,738.23/92,702.27
  6. Step 6: Final answer
    x = 120,110.23

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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.