Home / 80,579.53-120,869.30-25,175.53

Finding the Fourth Proportional to 80,579.53, 120,869.30 and 25,175.53

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Solution

The fourth proportional to 80,579.53, 120,869.30 and 25,175.53 is: 37,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,579.53 : 120,869.30 = 25,175.53 : x
  2. Step 2: Convert to fraction form
    80,579.53/120,869.30 = 25,175.53/x
  3. Step 3: Cross multiply
    80,579.53x = 120,869.30 × 25,175.53
  4. Step 4: Simplify right side
    80,579.53x = 3,042,948,902.25
  5. Step 5: Solve for x
    x = 3,042,948,902.25/80,579.53
  6. Step 6: Final answer
    x = 37,763.30

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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.