Home / 69,385.05-95,751.67-39,170.74

Finding the Fourth Proportional to 69,385.05, 95,751.67 and 39,170.74

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Solution

The fourth proportional to 69,385.05, 95,751.67 and 39,170.74 is: 54,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.05 : 95,751.67 = 39,170.74 : x
  2. Step 2: Convert to fraction form
    69,385.05/95,751.67 = 39,170.74/x
  3. Step 3: Cross multiply
    69,385.05x = 95,751.67 × 39,170.74
  4. Step 4: Simplify right side
    69,385.05x = 3,750,663,770.14
  5. Step 5: Solve for x
    x = 3,750,663,770.14/69,385.05
  6. Step 6: Final answer
    x = 54,055.79

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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.