Home / 80,631.44-111,266.12-44,820.12

Finding the Fourth Proportional to 80,631.44, 111,266.12 and 44,820.12

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Solution

The fourth proportional to 80,631.44, 111,266.12 and 44,820.12 is: 61,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,631.44 : 111,266.12 = 44,820.12 : x
  2. Step 2: Convert to fraction form
    80,631.44/111,266.12 = 44,820.12/x
  3. Step 3: Cross multiply
    80,631.44x = 111,266.12 × 44,820.12
  4. Step 4: Simplify right side
    80,631.44x = 4,986,960,850.33
  5. Step 5: Solve for x
    x = 4,986,960,850.33/80,631.44
  6. Step 6: Final answer
    x = 61,848.84

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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.