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Finding the Fourth Proportional to 80,271.44, 110,773.34 and 43,972.58

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Solution

The fourth proportional to 80,271.44, 110,773.34 and 43,972.58 is: 60,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,271.44 : 110,773.34 = 43,972.58 : x
  2. Step 2: Convert to fraction form
    80,271.44/110,773.34 = 43,972.58/x
  3. Step 3: Cross multiply
    80,271.44x = 110,773.34 × 43,972.58
  4. Step 4: Simplify right side
    80,271.44x = 4,870,989,555.02
  5. Step 5: Solve for x
    x = 4,870,989,555.02/80,271.44
  6. Step 6: Final answer
    x = 60,681.48

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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.