Home / 69,212.81-95,517.96-40,147.07

Finding the Fourth Proportional to 69,212.81, 95,517.96 and 40,147.07

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Solution

The fourth proportional to 69,212.81, 95,517.96 and 40,147.07 is: 55,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.81 : 95,517.96 = 40,147.07 : x
  2. Step 2: Convert to fraction form
    69,212.81/95,517.96 = 40,147.07/x
  3. Step 3: Cross multiply
    69,212.81x = 95,517.96 × 40,147.07
  4. Step 4: Simplify right side
    69,212.81x = 3,834,766,226.38
  5. Step 5: Solve for x
    x = 3,834,766,226.38/69,212.81
  6. Step 6: Final answer
    x = 55,405.44

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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.