Home / 107,727.10-161,286.86-57,011.24

Finding the Fourth Proportional to 107,727.10, 161,286.86 and 57,011.24

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Solution

The fourth proportional to 107,727.10, 161,286.86 and 57,011.24 is: 85,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,727.10 : 161,286.86 = 57,011.24 : x
  2. Step 2: Convert to fraction form
    107,727.10/161,286.86 = 57,011.24/x
  3. Step 3: Cross multiply
    107,727.10x = 161,286.86 × 57,011.24
  4. Step 4: Simplify right side
    107,727.10x = 9,195,164,430.05
  5. Step 5: Solve for x
    x = 9,195,164,430.05/107,727.10
  6. Step 6: Final answer
    x = 85,356.10

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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.