Home / 69,498.12-95,905.86-39,279.42

Finding the Fourth Proportional to 69,498.12, 95,905.86 and 39,279.42

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Solution

The fourth proportional to 69,498.12, 95,905.86 and 39,279.42 is: 54,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,498.12 : 95,905.86 = 39,279.42 : x
  2. Step 2: Convert to fraction form
    69,498.12/95,905.86 = 39,279.42/x
  3. Step 3: Cross multiply
    69,498.12x = 95,905.86 × 39,279.42
  4. Step 4: Simplify right side
    69,498.12x = 3,767,126,555.40
  5. Step 5: Solve for x
    x = 3,767,126,555.40/69,498.12
  6. Step 6: Final answer
    x = 54,204.73

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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.