Home / 81,013.75-111,805.25-44,722.31

Finding the Fourth Proportional to 81,013.75, 111,805.25 and 44,722.31

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Solution

The fourth proportional to 81,013.75, 111,805.25 and 44,722.31 is: 61,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,013.75 : 111,805.25 = 44,722.31 : x
  2. Step 2: Convert to fraction form
    81,013.75/111,805.25 = 44,722.31/x
  3. Step 3: Cross multiply
    81,013.75x = 111,805.25 × 44,722.31
  4. Step 4: Simplify right side
    81,013.75x = 5,000,188,267.49
  5. Step 5: Solve for x
    x = 5,000,188,267.49/81,013.75
  6. Step 6: Final answer
    x = 61,720.24

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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.