Home / 69,542.31-104,356.30-27,415.22

Finding the Fourth Proportional to 69,542.31, 104,356.30 and 27,415.22

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Solution

The fourth proportional to 69,542.31, 104,356.30 and 27,415.22 is: 41,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542.31 : 104,356.30 = 27,415.22 : x
  2. Step 2: Convert to fraction form
    69,542.31/104,356.30 = 27,415.22/x
  3. Step 3: Cross multiply
    69,542.31x = 104,356.30 × 27,415.22
  4. Step 4: Simplify right side
    69,542.31x = 2,860,950,922.89
  5. Step 5: Solve for x
    x = 2,860,950,922.89/69,542.31
  6. Step 6: Final answer
    x = 41,139.72

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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.