Home / 92,027.11-138,036.65-28,845.79

Finding the Fourth Proportional to 92,027.11, 138,036.65 and 28,845.79

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Solution

The fourth proportional to 92,027.11, 138,036.65 and 28,845.79 is: 43,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,027.11 : 138,036.65 = 28,845.79 : x
  2. Step 2: Convert to fraction form
    92,027.11/138,036.65 = 28,845.79/x
  3. Step 3: Cross multiply
    92,027.11x = 138,036.65 × 28,845.79
  4. Step 4: Simplify right side
    92,027.11x = 3,981,775,728.88
  5. Step 5: Solve for x
    x = 3,981,775,728.88/92,027.11
  6. Step 6: Final answer
    x = 43,267.42

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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.