Home / 80,885.44-111,620.59-45,074.53

Finding the Fourth Proportional to 80,885.44, 111,620.59 and 45,074.53

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Solution

The fourth proportional to 80,885.44, 111,620.59 and 45,074.53 is: 62,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,885.44 : 111,620.59 = 45,074.53 : x
  2. Step 2: Convert to fraction form
    80,885.44/111,620.59 = 45,074.53/x
  3. Step 3: Cross multiply
    80,885.44x = 111,620.59 × 45,074.53
  4. Step 4: Simplify right side
    80,885.44x = 5,031,245,632.57
  5. Step 5: Solve for x
    x = 5,031,245,632.57/80,885.44
  6. Step 6: Final answer
    x = 62,202.12

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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.