Home / 69,570.20-104,168.32-57,239.04

Finding the Fourth Proportional to 69,570.20, 104,168.32 and 57,239.04

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Solution

The fourth proportional to 69,570.20, 104,168.32 and 57,239.04 is: 85,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,570.20 : 104,168.32 = 57,239.04 : x
  2. Step 2: Convert to fraction form
    69,570.20/104,168.32 = 57,239.04/x
  3. Step 3: Cross multiply
    69,570.20x = 104,168.32 × 57,239.04
  4. Step 4: Simplify right side
    69,570.20x = 5,962,494,635.21
  5. Step 5: Solve for x
    x = 5,962,494,635.21/69,570.20
  6. Step 6: Final answer
    x = 85,704.72

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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.