Home / 80,110.45-110,552.76-43,812.61

Finding the Fourth Proportional to 80,110.45, 110,552.76 and 43,812.61

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Solution

The fourth proportional to 80,110.45, 110,552.76 and 43,812.61 is: 60,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.45 : 110,552.76 = 43,812.61 : x
  2. Step 2: Convert to fraction form
    80,110.45/110,552.76 = 43,812.61/x
  3. Step 3: Cross multiply
    80,110.45x = 110,552.76 × 43,812.61
  4. Step 4: Simplify right side
    80,110.45x = 4,843,604,958.30
  5. Step 5: Solve for x
    x = 4,843,604,958.30/80,110.45
  6. Step 6: Final answer
    x = 60,461.59

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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.