Home / 69,456.38-95,847.80-40,775.56

Finding the Fourth Proportional to 69,456.38, 95,847.80 and 40,775.56

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Solution

The fourth proportional to 69,456.38, 95,847.80 and 40,775.56 is: 56,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.38 : 95,847.80 = 40,775.56 : x
  2. Step 2: Convert to fraction form
    69,456.38/95,847.80 = 40,775.56/x
  3. Step 3: Cross multiply
    69,456.38x = 95,847.80 × 40,775.56
  4. Step 4: Simplify right side
    69,456.38x = 3,908,247,276.27
  5. Step 5: Solve for x
    x = 3,908,247,276.27/69,456.38
  6. Step 6: Final answer
    x = 56,269.09

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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.