Home / 69,408.57-95,783.52-39,193.56

Finding the Fourth Proportional to 69,408.57, 95,783.52 and 39,193.56

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Solution

The fourth proportional to 69,408.57, 95,783.52 and 39,193.56 is: 54,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.57 : 95,783.52 = 39,193.56 : x
  2. Step 2: Convert to fraction form
    69,408.57/95,783.52 = 39,193.56/x
  3. Step 3: Cross multiply
    69,408.57x = 95,783.52 × 39,193.56
  4. Step 4: Simplify right side
    69,408.57x = 3,754,097,138.13
  5. Step 5: Solve for x
    x = 3,754,097,138.13/69,408.57
  6. Step 6: Final answer
    x = 54,086.94

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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.