Home / 80,271.22-120,411.96-26,961.04

Finding the Fourth Proportional to 80,271.22, 120,411.96 and 26,961.04

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Solution

The fourth proportional to 80,271.22, 120,411.96 and 26,961.04 is: 40,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,271.22 : 120,411.96 = 26,961.04 : x
  2. Step 2: Convert to fraction form
    80,271.22/120,411.96 = 26,961.04/x
  3. Step 3: Cross multiply
    80,271.22x = 120,411.96 × 26,961.04
  4. Step 4: Simplify right side
    80,271.22x = 3,246,431,670.04
  5. Step 5: Solve for x
    x = 3,246,431,670.04/80,271.22
  6. Step 6: Final answer
    x = 40,443.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.