Home / 80,415.13-120,537.51-27,056.29

Finding the Fourth Proportional to 80,415.13, 120,537.51 and 27,056.29

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Solution

The fourth proportional to 80,415.13, 120,537.51 and 27,056.29 is: 40,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,415.13 : 120,537.51 = 27,056.29 : x
  2. Step 2: Convert to fraction form
    80,415.13/120,537.51 = 27,056.29/x
  3. Step 3: Cross multiply
    80,415.13x = 120,537.51 × 27,056.29
  4. Step 4: Simplify right side
    80,415.13x = 3,261,297,826.44
  5. Step 5: Solve for x
    x = 3,261,297,826.44/80,415.13
  6. Step 6: Final answer
    x = 40,555.77

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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.