Home / 99,072.20-148,619.10-95,961.80

Finding the Fourth Proportional to 99,072.20, 148,619.10 and 95,961.80

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Solution

The fourth proportional to 99,072.20, 148,619.10 and 95,961.80 is: 143,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072.20 : 148,619.10 = 95,961.80 : x
  2. Step 2: Convert to fraction form
    99,072.20/148,619.10 = 95,961.80/x
  3. Step 3: Cross multiply
    99,072.20x = 148,619.10 × 95,961.80
  4. Step 4: Simplify right side
    99,072.20x = 14,261,756,350.38
  5. Step 5: Solve for x
    x = 14,261,756,350.38/99,072.20
  6. Step 6: Final answer
    x = 143,953.16

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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.