Home / 95,456.40-131,722.12-55,172.77

Finding the Fourth Proportional to 95,456.40, 131,722.12 and 55,172.77

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Solution

The fourth proportional to 95,456.40, 131,722.12 and 55,172.77 is: 76,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,456.40 : 131,722.12 = 55,172.77 : x
  2. Step 2: Convert to fraction form
    95,456.40/131,722.12 = 55,172.77/x
  3. Step 3: Cross multiply
    95,456.40x = 131,722.12 × 55,172.77
  4. Step 4: Simplify right side
    95,456.40x = 7,267,474,368.60
  5. Step 5: Solve for x
    x = 7,267,474,368.60/95,456.40
  6. Step 6: Final answer
    x = 76,133.97

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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.