Home / 108,311.14-162,469.50-51,371.74

Finding the Fourth Proportional to 108,311.14, 162,469.50 and 51,371.74

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Solution

The fourth proportional to 108,311.14, 162,469.50 and 51,371.74 is: 77,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,311.14 : 162,469.50 = 51,371.74 : x
  2. Step 2: Convert to fraction form
    108,311.14/162,469.50 = 51,371.74/x
  3. Step 3: Cross multiply
    108,311.14x = 162,469.50 × 51,371.74
  4. Step 4: Simplify right side
    108,311.14x = 8,346,340,911.93
  5. Step 5: Solve for x
    x = 8,346,340,911.93/108,311.14
  6. Step 6: Final answer
    x = 77,058.93

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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.