Home / 52,982.24-79,399.46-39,819.20

Finding the Fourth Proportional to 52,982.24, 79,399.46 and 39,819.20

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Solution

The fourth proportional to 52,982.24, 79,399.46 and 39,819.20 is: 59,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,982.24 : 79,399.46 = 39,819.20 : x
  2. Step 2: Convert to fraction form
    52,982.24/79,399.46 = 39,819.20/x
  3. Step 3: Cross multiply
    52,982.24x = 79,399.46 × 39,819.20
  4. Step 4: Simplify right side
    52,982.24x = 3,161,622,977.63
  5. Step 5: Solve for x
    x = 3,161,622,977.63/52,982.24
  6. Step 6: Final answer
    x = 59,673.26

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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.