Home / 99,340.20-148,913.10-40,096.80

Finding the Fourth Proportional to 99,340.20, 148,913.10 and 40,096.80

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Solution

The fourth proportional to 99,340.20, 148,913.10 and 40,096.80 is: 60,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,340.20 : 148,913.10 = 40,096.80 : x
  2. Step 2: Convert to fraction form
    99,340.20/148,913.10 = 40,096.80/x
  3. Step 3: Cross multiply
    99,340.20x = 148,913.10 × 40,096.80
  4. Step 4: Simplify right side
    99,340.20x = 5,970,938,788.08
  5. Step 5: Solve for x
    x = 5,970,938,788.08/99,340.20
  6. Step 6: Final answer
    x = 60,105.97

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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.