Home / 99,314.20-148,874.10-40,070.80

Finding the Fourth Proportional to 99,314.20, 148,874.10 and 40,070.80

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Solution

The fourth proportional to 99,314.20, 148,874.10 and 40,070.80 is: 60,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.20 : 148,874.10 = 40,070.80 : x
  2. Step 2: Convert to fraction form
    99,314.20/148,874.10 = 40,070.80/x
  3. Step 3: Cross multiply
    99,314.20x = 148,874.10 × 40,070.80
  4. Step 4: Simplify right side
    99,314.20x = 5,965,504,286.28
  5. Step 5: Solve for x
    x = 5,965,504,286.28/99,314.20
  6. Step 6: Final answer
    x = 60,066.98

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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.