Home / 75,229.70-103,816.55-41,239.62

Finding the Fourth Proportional to 75,229.70, 103,816.55 and 41,239.62

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Solution

The fourth proportional to 75,229.70, 103,816.55 and 41,239.62 is: 56,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,229.70 : 103,816.55 = 41,239.62 : x
  2. Step 2: Convert to fraction form
    75,229.70/103,816.55 = 41,239.62/x
  3. Step 3: Cross multiply
    75,229.70x = 103,816.55 × 41,239.62
  4. Step 4: Simplify right side
    75,229.70x = 4,281,354,865.51
  5. Step 5: Solve for x
    x = 4,281,354,865.51/75,229.70
  6. Step 6: Final answer
    x = 56,910.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.