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Finding the Fourth Proportional to 95,364.56, 131,572.68 and 55,073

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Solution

The fourth proportional to 95,364.56, 131,572.68 and 55,073 is: 75,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,364.56 : 131,572.68 = 55,073 : x
  2. Step 2: Convert to fraction form
    95,364.56/131,572.68 = 55,073/x
  3. Step 3: Cross multiply
    95,364.56x = 131,572.68 × 55,073
  4. Step 4: Simplify right side
    95,364.56x = 7,246,102,205.64
  5. Step 5: Solve for x
    x = 7,246,102,205.64/95,364.56
  6. Step 6: Final answer
    x = 75,983.18

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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.