Home / 108,231.66-162,350.33-51,292.24

Finding the Fourth Proportional to 108,231.66, 162,350.33 and 51,292.24

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Solution

The fourth proportional to 108,231.66, 162,350.33 and 51,292.24 is: 76,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,231.66 : 162,350.33 = 51,292.24 : x
  2. Step 2: Convert to fraction form
    108,231.66/162,350.33 = 51,292.24/x
  3. Step 3: Cross multiply
    108,231.66x = 162,350.33 × 51,292.24
  4. Step 4: Simplify right side
    108,231.66x = 8,327,311,428.10
  5. Step 5: Solve for x
    x = 8,327,311,428.10/108,231.66
  6. Step 6: Final answer
    x = 76,939.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.