Home / 107,716.20-161,574.30-48,667.20

Finding the Fourth Proportional to 107,716.20, 161,574.30 and 48,667.20

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Solution

The fourth proportional to 107,716.20, 161,574.30 and 48,667.20 is: 73,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716.20 : 161,574.30 = 48,667.20 : x
  2. Step 2: Convert to fraction form
    107,716.20/161,574.30 = 48,667.20/x
  3. Step 3: Cross multiply
    107,716.20x = 161,574.30 × 48,667.20
  4. Step 4: Simplify right side
    107,716.20x = 7,863,368,772.96
  5. Step 5: Solve for x
    x = 7,863,368,772.96/107,716.20
  6. Step 6: Final answer
    x = 73,000.80

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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.