Home / 92,256.48-138,370.92-25,689.78

Finding the Fourth Proportional to 92,256.48, 138,370.92 and 25,689.78

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Solution

The fourth proportional to 92,256.48, 138,370.92 and 25,689.78 is: 38,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,256.48 : 138,370.92 = 25,689.78 : x
  2. Step 2: Convert to fraction form
    92,256.48/138,370.92 = 25,689.78/x
  3. Step 3: Cross multiply
    92,256.48x = 138,370.92 × 25,689.78
  4. Step 4: Simplify right side
    92,256.48x = 3,554,718,493.20
  5. Step 5: Solve for x
    x = 3,554,718,493.20/92,256.48
  6. Step 6: Final answer
    x = 38,530.83

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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.