Home / 95,389.85-131,661.21-57,172.02

Finding the Fourth Proportional to 95,389.85, 131,661.21 and 57,172.02

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Solution

The fourth proportional to 95,389.85, 131,661.21 and 57,172.02 is: 78,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,389.85 : 131,661.21 = 57,172.02 : x
  2. Step 2: Convert to fraction form
    95,389.85/131,661.21 = 57,172.02/x
  3. Step 3: Cross multiply
    95,389.85x = 131,661.21 × 57,172.02
  4. Step 4: Simplify right side
    95,389.85x = 7,527,337,736.56
  5. Step 5: Solve for x
    x = 7,527,337,736.56/95,389.85
  6. Step 6: Final answer
    x = 78,911.31

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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.