Home / 69,262.17-103,896.39-21,227.31

Finding the Fourth Proportional to 69,262.17, 103,896.39 and 21,227.31

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Solution

The fourth proportional to 69,262.17, 103,896.39 and 21,227.31 is: 31,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.17 : 103,896.39 = 21,227.31 : x
  2. Step 2: Convert to fraction form
    69,262.17/103,896.39 = 21,227.31/x
  3. Step 3: Cross multiply
    69,262.17x = 103,896.39 × 21,227.31
  4. Step 4: Simplify right side
    69,262.17x = 2,205,440,878.41
  5. Step 5: Solve for x
    x = 2,205,440,878.41/69,262.17
  6. Step 6: Final answer
    x = 31,841.93

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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.