Home / 107,694.14-161,574.14-55,140.80

Finding the Fourth Proportional to 107,694.14, 161,574.14 and 55,140.80

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Solution

The fourth proportional to 107,694.14, 161,574.14 and 55,140.80 is: 82,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,694.14 : 161,574.14 = 55,140.80 : x
  2. Step 2: Convert to fraction form
    107,694.14/161,574.14 = 55,140.80/x
  3. Step 3: Cross multiply
    107,694.14x = 161,574.14 × 55,140.80
  4. Step 4: Simplify right side
    107,694.14x = 8,909,327,338.91
  5. Step 5: Solve for x
    x = 8,909,327,338.91/107,694.14
  6. Step 6: Final answer
    x = 82,728.06

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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.