Home / 92,640.22-138,926.30-31,833.25

Finding the Fourth Proportional to 92,640.22, 138,926.30 and 31,833.25

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Solution

The fourth proportional to 92,640.22, 138,926.30 and 31,833.25 is: 47,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,640.22 : 138,926.30 = 31,833.25 : x
  2. Step 2: Convert to fraction form
    92,640.22/138,926.30 = 31,833.25/x
  3. Step 3: Cross multiply
    92,640.22x = 138,926.30 × 31,833.25
  4. Step 4: Simplify right side
    92,640.22x = 4,422,475,222.52
  5. Step 5: Solve for x
    x = 4,422,475,222.52/92,640.22
  6. Step 6: Final answer
    x = 47,738.18

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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.