Home / 88,917.60-133,333.20-49,432.80

Finding the Fourth Proportional to 88,917.60, 133,333.20 and 49,432.80

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Solution

The fourth proportional to 88,917.60, 133,333.20 and 49,432.80 is: 74,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,917.60 : 133,333.20 = 49,432.80 : x
  2. Step 2: Convert to fraction form
    88,917.60/133,333.20 = 49,432.80/x
  3. Step 3: Cross multiply
    88,917.60x = 133,333.20 × 49,432.80
  4. Step 4: Simplify right side
    88,917.60x = 6,591,033,408.96
  5. Step 5: Solve for x
    x = 6,591,033,408.96/88,917.60
  6. Step 6: Final answer
    x = 74,125.18

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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.