Home / 107,956.17-161,939.12-33,070.86

Finding the Fourth Proportional to 107,956.17, 161,939.12 and 33,070.86

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Solution

The fourth proportional to 107,956.17, 161,939.12 and 33,070.86 is: 49,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,956.17 : 161,939.12 = 33,070.86 : x
  2. Step 2: Convert to fraction form
    107,956.17/161,939.12 = 33,070.86/x
  3. Step 3: Cross multiply
    107,956.17x = 161,939.12 × 33,070.86
  4. Step 4: Simplify right side
    107,956.17x = 5,355,465,800.69
  5. Step 5: Solve for x
    x = 5,355,465,800.69/107,956.17
  6. Step 6: Final answer
    x = 49,607.78

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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.