Home / 43,073.36-64,621.56-15,372.88

Finding the Fourth Proportional to 43,073.36, 64,621.56 and 15,372.88

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Solution

The fourth proportional to 43,073.36, 64,621.56 and 15,372.88 is: 23,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,073.36 : 64,621.56 = 15,372.88 : x
  2. Step 2: Convert to fraction form
    43,073.36/64,621.56 = 15,372.88/x
  3. Step 3: Cross multiply
    43,073.36x = 64,621.56 × 15,372.88
  4. Step 4: Simplify right side
    43,073.36x = 993,419,487.29
  5. Step 5: Solve for x
    x = 993,419,487.29/43,073.36
  6. Step 6: Final answer
    x = 23,063.43

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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.