Home / 72,202.24-99,624.96-41,991.04

Finding the Fourth Proportional to 72,202.24, 99,624.96 and 41,991.04

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Solution

The fourth proportional to 72,202.24, 99,624.96 and 41,991.04 is: 57,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,202.24 : 99,624.96 = 41,991.04 : x
  2. Step 2: Convert to fraction form
    72,202.24/99,624.96 = 41,991.04/x
  3. Step 3: Cross multiply
    72,202.24x = 99,624.96 × 41,991.04
  4. Step 4: Simplify right side
    72,202.24x = 4,183,355,680.36
  5. Step 5: Solve for x
    x = 4,183,355,680.36/72,202.24
  6. Step 6: Final answer
    x = 57,939.42

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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.