Home / 92,316.60-138,481.68-33,152.78

Finding the Fourth Proportional to 92,316.60, 138,481.68 and 33,152.78

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Solution

The fourth proportional to 92,316.60, 138,481.68 and 33,152.78 is: 49,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,316.60 : 138,481.68 = 33,152.78 : x
  2. Step 2: Convert to fraction form
    92,316.60/138,481.68 = 33,152.78/x
  3. Step 3: Cross multiply
    92,316.60x = 138,481.68 × 33,152.78
  4. Step 4: Simplify right side
    92,316.60x = 4,591,051,978.66
  5. Step 5: Solve for x
    x = 4,591,051,978.66/92,316.60
  6. Step 6: Final answer
    x = 49,731.60

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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.