Home / 99,243.73-148,865.37-43,076.56

Finding the Fourth Proportional to 99,243.73, 148,865.37 and 43,076.56

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Solution

The fourth proportional to 99,243.73, 148,865.37 and 43,076.56 is: 64,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,243.73 : 148,865.37 = 43,076.56 : x
  2. Step 2: Convert to fraction form
    99,243.73/148,865.37 = 43,076.56/x
  3. Step 3: Cross multiply
    99,243.73x = 148,865.37 × 43,076.56
  4. Step 4: Simplify right side
    99,243.73x = 6,412,608,042.73
  5. Step 5: Solve for x
    x = 6,412,608,042.73/99,243.73
  6. Step 6: Final answer
    x = 64,614.74

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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.