Home / 95,389.92-131,644.06-55,105.40

Finding the Fourth Proportional to 95,389.92, 131,644.06 and 55,105.40

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Solution

The fourth proportional to 95,389.92, 131,644.06 and 55,105.40 is: 76,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,389.92 : 131,644.06 = 55,105.40 : x
  2. Step 2: Convert to fraction form
    95,389.92/131,644.06 = 55,105.40/x
  3. Step 3: Cross multiply
    95,389.92x = 131,644.06 × 55,105.40
  4. Step 4: Simplify right side
    95,389.92x = 7,254,298,583.92
  5. Step 5: Solve for x
    x = 7,254,298,583.92/95,389.92
  6. Step 6: Final answer
    x = 76,048.90

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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.