Home / 69,179.25-95,488.53-40,505.63

Finding the Fourth Proportional to 69,179.25, 95,488.53 and 40,505.63

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Solution

The fourth proportional to 69,179.25, 95,488.53 and 40,505.63 is: 55,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,179.25 : 95,488.53 = 40,505.63 : x
  2. Step 2: Convert to fraction form
    69,179.25/95,488.53 = 40,505.63/x
  3. Step 3: Cross multiply
    69,179.25x = 95,488.53 × 40,505.63
  4. Step 4: Simplify right side
    69,179.25x = 3,867,823,065.42
  5. Step 5: Solve for x
    x = 3,867,823,065.42/69,179.25
  6. Step 6: Final answer
    x = 55,910.16

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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.