Home / 80,213.45-110,576.67-61,059.86

Finding the Fourth Proportional to 80,213.45, 110,576.67 and 61,059.86

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Solution

The fourth proportional to 80,213.45, 110,576.67 and 61,059.86 is: 84,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,213.45 : 110,576.67 = 61,059.86 : x
  2. Step 2: Convert to fraction form
    80,213.45/110,576.67 = 61,059.86/x
  3. Step 3: Cross multiply
    80,213.45x = 110,576.67 × 61,059.86
  4. Step 4: Simplify right side
    80,213.45x = 6,751,795,989.47
  5. Step 5: Solve for x
    x = 6,751,795,989.47/80,213.45
  6. Step 6: Final answer
    x = 84,172.87

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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.