Home / 107,523.05-161,291.86-28,637.96

Finding the Fourth Proportional to 107,523.05, 161,291.86 and 28,637.96

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Solution

The fourth proportional to 107,523.05, 161,291.86 and 28,637.96 is: 42,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,523.05 : 161,291.86 = 28,637.96 : x
  2. Step 2: Convert to fraction form
    107,523.05/161,291.86 = 28,637.96/x
  3. Step 3: Cross multiply
    107,523.05x = 161,291.86 × 28,637.96
  4. Step 4: Simplify right side
    107,523.05x = 4,619,068,956.95
  5. Step 5: Solve for x
    x = 4,619,068,956.95/107,523.05
  6. Step 6: Final answer
    x = 42,958.87

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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.