Home / 80,240.93-110,734.20-43,943.90

Finding the Fourth Proportional to 80,240.93, 110,734.20 and 43,943.90

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Solution

The fourth proportional to 80,240.93, 110,734.20 and 43,943.90 is: 60,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,240.93 : 110,734.20 = 43,943.90 : x
  2. Step 2: Convert to fraction form
    80,240.93/110,734.20 = 43,943.90/x
  3. Step 3: Cross multiply
    80,240.93x = 110,734.20 × 43,943.90
  4. Step 4: Simplify right side
    80,240.93x = 4,866,092,057.71
  5. Step 5: Solve for x
    x = 4,866,092,057.71/80,240.93
  6. Step 6: Final answer
    x = 60,643.52

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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.