Home / 68,553.60-102,837.72-21,795.56

Finding the Fourth Proportional to 68,553.60, 102,837.72 and 21,795.56

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Solution

The fourth proportional to 68,553.60, 102,837.72 and 21,795.56 is: 32,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,553.60 : 102,837.72 = 21,795.56 : x
  2. Step 2: Convert to fraction form
    68,553.60/102,837.72 = 21,795.56/x
  3. Step 3: Cross multiply
    68,553.60x = 102,837.72 × 21,795.56
  4. Step 4: Simplify right side
    68,553.60x = 2,241,405,696.52
  5. Step 5: Solve for x
    x = 2,241,405,696.52/68,553.60
  6. Step 6: Final answer
    x = 32,695.67

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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.