Home / 107,617.40-161,447.70-32,742.20

Finding the Fourth Proportional to 107,617.40, 161,447.70 and 32,742.20

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Solution

The fourth proportional to 107,617.40, 161,447.70 and 32,742.20 is: 49,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,617.40 : 161,447.70 = 32,742.20 : x
  2. Step 2: Convert to fraction form
    107,617.40/161,447.70 = 32,742.20/x
  3. Step 3: Cross multiply
    107,617.40x = 161,447.70 × 32,742.20
  4. Step 4: Simplify right side
    107,617.40x = 5,286,152,882.94
  5. Step 5: Solve for x
    x = 5,286,152,882.94/107,617.40
  6. Step 6: Final answer
    x = 49,119.87

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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.