Home / 107,922.30-161,813.37-51,761.10

Finding the Fourth Proportional to 107,922.30, 161,813.37 and 51,761.10

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Solution

The fourth proportional to 107,922.30, 161,813.37 and 51,761.10 is: 77,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922.30 : 161,813.37 = 51,761.10 : x
  2. Step 2: Convert to fraction form
    107,922.30/161,813.37 = 51,761.10/x
  3. Step 3: Cross multiply
    107,922.30x = 161,813.37 × 51,761.10
  4. Step 4: Simplify right side
    107,922.30x = 8,375,638,025.91
  5. Step 5: Solve for x
    x = 8,375,638,025.91/107,922.30
  6. Step 6: Final answer
    x = 77,608.04

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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.