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Finding the Fourth Proportional to 69,833.54, 104,710.78 and 63,882.47

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Solution

The fourth proportional to 69,833.54, 104,710.78 and 63,882.47 is: 95,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,833.54 : 104,710.78 = 63,882.47 : x
  2. Step 2: Convert to fraction form
    69,833.54/104,710.78 = 63,882.47/x
  3. Step 3: Cross multiply
    69,833.54x = 104,710.78 × 63,882.47
  4. Step 4: Simplify right side
    69,833.54x = 6,689,182,578.77
  5. Step 5: Solve for x
    x = 6,689,182,578.77/69,833.54
  6. Step 6: Final answer
    x = 95,787.54

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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.