Home / 95,456.37-131,722.08-55,172.74

Finding the Fourth Proportional to 95,456.37, 131,722.08 and 55,172.74

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Solution

The fourth proportional to 95,456.37, 131,722.08 and 55,172.74 is: 76,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,456.37 : 131,722.08 = 55,172.74 : x
  2. Step 2: Convert to fraction form
    95,456.37/131,722.08 = 55,172.74/x
  3. Step 3: Cross multiply
    95,456.37x = 131,722.08 × 55,172.74
  4. Step 4: Simplify right side
    95,456.37x = 7,267,468,072.10
  5. Step 5: Solve for x
    x = 7,267,468,072.10/95,456.37
  6. Step 6: Final answer
    x = 76,133.92

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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.