Home / 107,963.56-161,945.34-57,974.89

Finding the Fourth Proportional to 107,963.56, 161,945.34 and 57,974.89

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Solution

The fourth proportional to 107,963.56, 161,945.34 and 57,974.89 is: 86,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,963.56 : 161,945.34 = 57,974.89 : x
  2. Step 2: Convert to fraction form
    107,963.56/161,945.34 = 57,974.89/x
  3. Step 3: Cross multiply
    107,963.56x = 161,945.34 × 57,974.89
  4. Step 4: Simplify right side
    107,963.56x = 9,388,763,822.98
  5. Step 5: Solve for x
    x = 9,388,763,822.98/107,963.56
  6. Step 6: Final answer
    x = 86,962.34

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1.5x scale

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.