Home / 80,216.90-120,325.06-27,626.24

Finding the Fourth Proportional to 80,216.90, 120,325.06 and 27,626.24

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Solution

The fourth proportional to 80,216.90, 120,325.06 and 27,626.24 is: 41,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,216.90 : 120,325.06 = 27,626.24 : x
  2. Step 2: Convert to fraction form
    80,216.90/120,325.06 = 27,626.24/x
  3. Step 3: Cross multiply
    80,216.90x = 120,325.06 × 27,626.24
  4. Step 4: Simplify right side
    80,216.90x = 3,324,128,985.57
  5. Step 5: Solve for x
    x = 3,324,128,985.57/80,216.90
  6. Step 6: Final answer
    x = 41,439.26

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1.5x scale

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.