Home / 80,564.22-111,191.94-67,114.17

Finding the Fourth Proportional to 80,564.22, 111,191.94 and 67,114.17

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Solution

The fourth proportional to 80,564.22, 111,191.94 and 67,114.17 is: 92,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.22 : 111,191.94 = 67,114.17 : x
  2. Step 2: Convert to fraction form
    80,564.22/111,191.94 = 67,114.17/x
  3. Step 3: Cross multiply
    80,564.22x = 111,191.94 × 67,114.17
  4. Step 4: Simplify right side
    80,564.22x = 7,462,554,763.79
  5. Step 5: Solve for x
    x = 7,462,554,763.79/80,564.22
  6. Step 6: Final answer
    x = 92,628.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.