Home / 99,066.62-148,833.21-80,715.26

Finding the Fourth Proportional to 99,066.62, 148,833.21 and 80,715.26

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Solution

The fourth proportional to 99,066.62, 148,833.21 and 80,715.26 is: 121,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066.62 : 148,833.21 = 80,715.26 : x
  2. Step 2: Convert to fraction form
    99,066.62/148,833.21 = 80,715.26/x
  3. Step 3: Cross multiply
    99,066.62x = 148,833.21 × 80,715.26
  4. Step 4: Simplify right side
    99,066.62x = 12,013,111,241.78
  5. Step 5: Solve for x
    x = 12,013,111,241.78/99,066.62
  6. Step 6: Final answer
    x = 121,262.96

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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.