Home / 107,444.72-161,199.30-43,369.89

Finding the Fourth Proportional to 107,444.72, 161,199.30 and 43,369.89

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Solution

The fourth proportional to 107,444.72, 161,199.30 and 43,369.89 is: 65,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,444.72 : 161,199.30 = 43,369.89 : x
  2. Step 2: Convert to fraction form
    107,444.72/161,199.30 = 43,369.89/x
  3. Step 3: Cross multiply
    107,444.72x = 161,199.30 × 43,369.89
  4. Step 4: Simplify right side
    107,444.72x = 6,991,195,909.08
  5. Step 5: Solve for x
    x = 6,991,195,909.08/107,444.72
  6. Step 6: Final answer
    x = 65,067.84

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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.