Home / 80,902.13-111,645.46-45,094.41

Finding the Fourth Proportional to 80,902.13, 111,645.46 and 45,094.41

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Solution

The fourth proportional to 80,902.13, 111,645.46 and 45,094.41 is: 62,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,902.13 : 111,645.46 = 45,094.41 : x
  2. Step 2: Convert to fraction form
    80,902.13/111,645.46 = 45,094.41/x
  3. Step 3: Cross multiply
    80,902.13x = 111,645.46 × 45,094.41
  4. Step 4: Simplify right side
    80,902.13x = 5,034,586,147.88
  5. Step 5: Solve for x
    x = 5,034,586,147.88/80,902.13
  6. Step 6: Final answer
    x = 62,230.58

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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.