Home / 69,403.58-95,774.82-39,188.42

Finding the Fourth Proportional to 69,403.58, 95,774.82 and 39,188.42

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Solution

The fourth proportional to 69,403.58, 95,774.82 and 39,188.42 is: 54,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,403.58 : 95,774.82 = 39,188.42 : x
  2. Step 2: Convert to fraction form
    69,403.58/95,774.82 = 39,188.42/x
  3. Step 3: Cross multiply
    69,403.58x = 95,774.82 × 39,188.42
  4. Step 4: Simplify right side
    69,403.58x = 3,753,263,871.58
  5. Step 5: Solve for x
    x = 3,753,263,871.58/69,403.58
  6. Step 6: Final answer
    x = 54,078.82

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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.