Home / 95,072.58-131,214-54,778.56

Finding the Fourth Proportional to 95,072.58, 131,214 and 54,778.56

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Solution

The fourth proportional to 95,072.58, 131,214 and 54,778.56 is: 75,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,072.58 : 131,214 = 54,778.56 : x
  2. Step 2: Convert to fraction form
    95,072.58/131,214 = 54,778.56/x
  3. Step 3: Cross multiply
    95,072.58x = 131,214 × 54,778.56
  4. Step 4: Simplify right side
    95,072.58x = 7,187,713,971.84
  5. Step 5: Solve for x
    x = 7,187,713,971.84/95,072.58
  6. Step 6: Final answer
    x = 75,602.39

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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.