Home / 107,966.97-161,954.10-60,579.54

Finding the Fourth Proportional to 107,966.97, 161,954.10 and 60,579.54

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Solution

The fourth proportional to 107,966.97, 161,954.10 and 60,579.54 is: 90,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.97 : 161,954.10 = 60,579.54 : x
  2. Step 2: Convert to fraction form
    107,966.97/161,954.10 = 60,579.54/x
  3. Step 3: Cross multiply
    107,966.97x = 161,954.10 × 60,579.54
  4. Step 4: Simplify right side
    107,966.97x = 9,811,104,879.11
  5. Step 5: Solve for x
    x = 9,811,104,879.11/107,966.97
  6. Step 6: Final answer
    x = 90,871.36

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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.