Home / 92,340.41-138,514.75-28,293.85

Finding the Fourth Proportional to 92,340.41, 138,514.75 and 28,293.85

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Solution

The fourth proportional to 92,340.41, 138,514.75 and 28,293.85 is: 42,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,340.41 : 138,514.75 = 28,293.85 : x
  2. Step 2: Convert to fraction form
    92,340.41/138,514.75 = 28,293.85/x
  3. Step 3: Cross multiply
    92,340.41x = 138,514.75 × 28,293.85
  4. Step 4: Simplify right side
    92,340.41x = 3,919,115,041.70
  5. Step 5: Solve for x
    x = 3,919,115,041.70/92,340.41
  6. Step 6: Final answer
    x = 42,442.04

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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.