Home / 71,153.10-106,731.50-33,704.37

Finding the Fourth Proportional to 71,153.10, 106,731.50 and 33,704.37

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Solution

The fourth proportional to 71,153.10, 106,731.50 and 33,704.37 is: 50,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,153.10 : 106,731.50 = 33,704.37 : x
  2. Step 2: Convert to fraction form
    71,153.10/106,731.50 = 33,704.37/x
  3. Step 3: Cross multiply
    71,153.10x = 106,731.50 × 33,704.37
  4. Step 4: Simplify right side
    71,153.10x = 3,597,317,798.13
  5. Step 5: Solve for x
    x = 3,597,317,798.13/71,153.10
  6. Step 6: Final answer
    x = 50,557.43

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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.