Home / 84,035.45-126,076.60-36,654.77

Finding the Fourth Proportional to 84,035.45, 126,076.60 and 36,654.77

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Solution

The fourth proportional to 84,035.45, 126,076.60 and 36,654.77 is: 54,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,035.45 : 126,076.60 = 36,654.77 : x
  2. Step 2: Convert to fraction form
    84,035.45/126,076.60 = 36,654.77/x
  3. Step 3: Cross multiply
    84,035.45x = 126,076.60 × 36,654.77
  4. Step 4: Simplify right side
    84,035.45x = 4,621,308,775.38
  5. Step 5: Solve for x
    x = 4,621,308,775.38/84,035.45
  6. Step 6: Final answer
    x = 54,992.37

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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.