Home / 69,105.35-95,370.21-38,893.57

Finding the Fourth Proportional to 69,105.35, 95,370.21 and 38,893.57

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Solution

The fourth proportional to 69,105.35, 95,370.21 and 38,893.57 is: 53,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105.35 : 95,370.21 = 38,893.57 : x
  2. Step 2: Convert to fraction form
    69,105.35/95,370.21 = 38,893.57/x
  3. Step 3: Cross multiply
    69,105.35x = 95,370.21 × 38,893.57
  4. Step 4: Simplify right side
    69,105.35x = 3,709,287,700.12
  5. Step 5: Solve for x
    x = 3,709,287,700.12/69,105.35
  6. Step 6: Final answer
    x = 53,675.84

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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.