Home / 80,065.40-110,490.24-43,766.98

Finding the Fourth Proportional to 80,065.40, 110,490.24 and 43,766.98

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Solution

The fourth proportional to 80,065.40, 110,490.24 and 43,766.98 is: 60,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,065.40 : 110,490.24 = 43,766.98 : x
  2. Step 2: Convert to fraction form
    80,065.40/110,490.24 = 43,766.98/x
  3. Step 3: Cross multiply
    80,065.40x = 110,490.24 × 43,766.98
  4. Step 4: Simplify right side
    80,065.40x = 4,835,824,124.28
  5. Step 5: Solve for x
    x = 4,835,824,124.28/80,065.40
  6. Step 6: Final answer
    x = 60,398.43

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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.