Home / 68,440.04-102,663.74-21,696.56

Finding the Fourth Proportional to 68,440.04, 102,663.74 and 21,696.56

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Solution

The fourth proportional to 68,440.04, 102,663.74 and 21,696.56 is: 32,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,440.04 : 102,663.74 = 21,696.56 : x
  2. Step 2: Convert to fraction form
    68,440.04/102,663.74 = 21,696.56/x
  3. Step 3: Cross multiply
    68,440.04x = 102,663.74 × 21,696.56
  4. Step 4: Simplify right side
    68,440.04x = 2,227,449,994.73
  5. Step 5: Solve for x
    x = 2,227,449,994.73/68,440.04
  6. Step 6: Final answer
    x = 32,546.01

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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.