Home / 107,930.60-161,847.30-48,735.80

Finding the Fourth Proportional to 107,930.60, 161,847.30 and 48,735.80

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Solution

The fourth proportional to 107,930.60, 161,847.30 and 48,735.80 is: 73,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,930.60 : 161,847.30 = 48,735.80 : x
  2. Step 2: Convert to fraction form
    107,930.60/161,847.30 = 48,735.80/x
  3. Step 3: Cross multiply
    107,930.60x = 161,847.30 × 48,735.80
  4. Step 4: Simplify right side
    107,930.60x = 7,887,757,643.34
  5. Step 5: Solve for x
    x = 7,887,757,643.34/107,930.60
  6. Step 6: Final answer
    x = 73,081.75

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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.