Home / 72,816.05-109,239.68-41,241.04

Finding the Fourth Proportional to 72,816.05, 109,239.68 and 41,241.04

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Solution

The fourth proportional to 72,816.05, 109,239.68 and 41,241.04 is: 61,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,816.05 : 109,239.68 = 41,241.04 : x
  2. Step 2: Convert to fraction form
    72,816.05/109,239.68 = 41,241.04/x
  3. Step 3: Cross multiply
    72,816.05x = 109,239.68 × 41,241.04
  4. Step 4: Simplify right side
    72,816.05x = 4,505,157,260.06
  5. Step 5: Solve for x
    x = 4,505,157,260.06/72,816.05
  6. Step 6: Final answer
    x = 61,870.39

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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.