Home / 69,574.20-104,174.31-57,243.03

Finding the Fourth Proportional to 69,574.20, 104,174.31 and 57,243.03

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Solution

The fourth proportional to 69,574.20, 104,174.31 and 57,243.03 is: 85,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.20 : 104,174.31 = 57,243.03 : x
  2. Step 2: Convert to fraction form
    69,574.20/104,174.31 = 57,243.03/x
  3. Step 3: Cross multiply
    69,574.20x = 104,174.31 × 57,243.03
  4. Step 4: Simplify right side
    69,574.20x = 5,963,253,152.56
  5. Step 5: Solve for x
    x = 5,963,253,152.56/69,574.20
  6. Step 6: Final answer
    x = 85,710.70

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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.