Home / 43,174.20-64,801.80-22,129.92

Finding the Fourth Proportional to 43,174.20, 64,801.80 and 22,129.92

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Solution

The fourth proportional to 43,174.20, 64,801.80 and 22,129.92 is: 33,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.20 : 64,801.80 = 22,129.92 : x
  2. Step 2: Convert to fraction form
    43,174.20/64,801.80 = 22,129.92/x
  3. Step 3: Cross multiply
    43,174.20x = 64,801.80 × 22,129.92
  4. Step 4: Simplify right side
    43,174.20x = 1,434,058,649.86
  5. Step 5: Solve for x
    x = 1,434,058,649.86/43,174.20
  6. Step 6: Final answer
    x = 33,215.64

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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.