Home / 95,142.80-131,299.94-52,705.28

Finding the Fourth Proportional to 95,142.80, 131,299.94 and 52,705.28

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Solution

The fourth proportional to 95,142.80, 131,299.94 and 52,705.28 is: 72,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,142.80 : 131,299.94 = 52,705.28 : x
  2. Step 2: Convert to fraction form
    95,142.80/131,299.94 = 52,705.28/x
  3. Step 3: Cross multiply
    95,142.80x = 131,299.94 × 52,705.28
  4. Step 4: Simplify right side
    95,142.80x = 6,920,200,101.68
  5. Step 5: Solve for x
    x = 6,920,200,101.68/95,142.80
  6. Step 6: Final answer
    x = 72,734.88

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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.