Home / 95,711.04-143,215.46-79,876.96

Finding the Fourth Proportional to 95,711.04, 143,215.46 and 79,876.96

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Solution

The fourth proportional to 95,711.04, 143,215.46 and 79,876.96 is: 119,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,711.04 : 143,215.46 = 79,876.96 : x
  2. Step 2: Convert to fraction form
    95,711.04/143,215.46 = 79,876.96/x
  3. Step 3: Cross multiply
    95,711.04x = 143,215.46 × 79,876.96
  4. Step 4: Simplify right side
    95,711.04x = 11,439,615,569.80
  5. Step 5: Solve for x
    x = 11,439,615,569.80/95,711.04
  6. Step 6: Final answer
    x = 119,522.42

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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.