Home / 92,026.92-138,036.36-28,845.60

Finding the Fourth Proportional to 92,026.92, 138,036.36 and 28,845.60

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Solution

The fourth proportional to 92,026.92, 138,036.36 and 28,845.60 is: 43,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,026.92 : 138,036.36 = 28,845.60 : x
  2. Step 2: Convert to fraction form
    92,026.92/138,036.36 = 28,845.60/x
  3. Step 3: Cross multiply
    92,026.92x = 138,036.36 × 28,845.60
  4. Step 4: Simplify right side
    92,026.92x = 3,981,741,734.19
  5. Step 5: Solve for x
    x = 3,981,741,734.19/92,026.92
  6. Step 6: Final answer
    x = 43,267.14

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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.