Home / 80,234.55-110,725.40-43,937.52

Finding the Fourth Proportional to 80,234.55, 110,725.40 and 43,937.52

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Solution

The fourth proportional to 80,234.55, 110,725.40 and 43,937.52 is: 60,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234.55 : 110,725.40 = 43,937.52 : x
  2. Step 2: Convert to fraction form
    80,234.55/110,725.40 = 43,937.52/x
  3. Step 3: Cross multiply
    80,234.55x = 110,725.40 × 43,937.52
  4. Step 4: Simplify right side
    80,234.55x = 4,864,999,257.32
  5. Step 5: Solve for x
    x = 4,864,999,257.32/80,234.55
  6. Step 6: Final answer
    x = 60,634.72

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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.