Home / 80,961.32-111,740.28-59,801.96

Finding the Fourth Proportional to 80,961.32, 111,740.28 and 59,801.96

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Solution

The fourth proportional to 80,961.32, 111,740.28 and 59,801.96 is: 82,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,961.32 : 111,740.28 = 59,801.96 : x
  2. Step 2: Convert to fraction form
    80,961.32/111,740.28 = 59,801.96/x
  3. Step 3: Cross multiply
    80,961.32x = 111,740.28 × 59,801.96
  4. Step 4: Simplify right side
    80,961.32x = 6,682,287,754.95
  5. Step 5: Solve for x
    x = 6,682,287,754.95/80,961.32
  6. Step 6: Final answer
    x = 82,536.79

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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.