Home / 67,245.10-92,711.52-55,100.43

Finding the Fourth Proportional to 67,245.10, 92,711.52 and 55,100.43

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Solution

The fourth proportional to 67,245.10, 92,711.52 and 55,100.43 is: 75,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,245.10 : 92,711.52 = 55,100.43 : x
  2. Step 2: Convert to fraction form
    67,245.10/92,711.52 = 55,100.43/x
  3. Step 3: Cross multiply
    67,245.10x = 92,711.52 × 55,100.43
  4. Step 4: Simplify right side
    67,245.10x = 5,108,444,617.95
  5. Step 5: Solve for x
    x = 5,108,444,617.95/67,245.10
  6. Step 6: Final answer
    x = 75,967.54

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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.