Home / 80,566.22-111,194.70-67,116.17

Finding the Fourth Proportional to 80,566.22, 111,194.70 and 67,116.17

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Solution

The fourth proportional to 80,566.22, 111,194.70 and 67,116.17 is: 92,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566.22 : 111,194.70 = 67,116.17 : x
  2. Step 2: Convert to fraction form
    80,566.22/111,194.70 = 67,116.17/x
  3. Step 3: Cross multiply
    80,566.22x = 111,194.70 × 67,116.17
  4. Step 4: Simplify right side
    80,566.22x = 7,462,962,388.30
  5. Step 5: Solve for x
    x = 7,462,962,388.30/80,566.22
  6. Step 6: Final answer
    x = 92,631.41

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1.5x scale

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.