Home / 69,171.04-95,456.90-40,508.56

Finding the Fourth Proportional to 69,171.04, 95,456.90 and 40,508.56

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Solution

The fourth proportional to 69,171.04, 95,456.90 and 40,508.56 is: 55,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.04 : 95,456.90 = 40,508.56 : x
  2. Step 2: Convert to fraction form
    69,171.04/95,456.90 = 40,508.56/x
  3. Step 3: Cross multiply
    69,171.04x = 95,456.90 × 40,508.56
  4. Step 4: Simplify right side
    69,171.04x = 3,866,821,561.06
  5. Step 5: Solve for x
    x = 3,866,821,561.06/69,171.04
  6. Step 6: Final answer
    x = 55,902.32

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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.