Home / 80,820.46-111,583.29-59,562.70

Finding the Fourth Proportional to 80,820.46, 111,583.29 and 59,562.70

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Solution

The fourth proportional to 80,820.46, 111,583.29 and 59,562.70 is: 82,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820.46 : 111,583.29 = 59,562.70 : x
  2. Step 2: Convert to fraction form
    80,820.46/111,583.29 = 59,562.70/x
  3. Step 3: Cross multiply
    80,820.46x = 111,583.29 × 59,562.70
  4. Step 4: Simplify right side
    80,820.46x = 6,646,201,971.68
  5. Step 5: Solve for x
    x = 6,646,201,971.68/80,820.46
  6. Step 6: Final answer
    x = 82,234.15

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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.