Home / 116,161.35-174,305.48-45,086.78

Finding the Fourth Proportional to 116,161.35, 174,305.48 and 45,086.78

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Solution

The fourth proportional to 116,161.35, 174,305.48 and 45,086.78 is: 67,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,161.35 : 174,305.48 = 45,086.78 : x
  2. Step 2: Convert to fraction form
    116,161.35/174,305.48 = 45,086.78/x
  3. Step 3: Cross multiply
    116,161.35x = 174,305.48 × 45,086.78
  4. Step 4: Simplify right side
    116,161.35x = 7,858,871,732.59
  5. Step 5: Solve for x
    x = 7,858,871,732.59/116,161.35
  6. Step 6: Final answer
    x = 67,654.79

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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.