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Finding the Fourth Proportional to 68,802, 103,220.34 and 19,554

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Solution

The fourth proportional to 68,802, 103,220.34 and 19,554 is: 29,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,802 : 103,220.34 = 19,554 : x
  2. Step 2: Convert to fraction form
    68,802/103,220.34 = 19,554/x
  3. Step 3: Cross multiply
    68,802x = 103,220.34 × 19,554
  4. Step 4: Simplify right side
    68,802x = 2,018,370,528.36
  5. Step 5: Solve for x
    x = 2,018,370,528.36/68,802
  6. Step 6: Final answer
    x = 29,335.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.