Home / 107,928.90-161,816.55-41,343.30

Finding the Fourth Proportional to 107,928.90, 161,816.55 and 41,343.30

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Solution

The fourth proportional to 107,928.90, 161,816.55 and 41,343.30 is: 61,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.90 : 161,816.55 = 41,343.30 : x
  2. Step 2: Convert to fraction form
    107,928.90/161,816.55 = 41,343.30/x
  3. Step 3: Cross multiply
    107,928.90x = 161,816.55 × 41,343.30
  4. Step 4: Simplify right side
    107,928.90x = 6,690,030,171.62
  5. Step 5: Solve for x
    x = 6,690,030,171.62/107,928.90
  6. Step 6: Final answer
    x = 61,985.53

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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.