Home / 69,905.78-104,755.00-51,347.06

Finding the Fourth Proportional to 69,905.78, 104,755.00 and 51,347.06

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Solution

The fourth proportional to 69,905.78, 104,755.00 and 51,347.06 is: 76,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905.78 : 104,755.00 = 51,347.06 : x
  2. Step 2: Convert to fraction form
    69,905.78/104,755.00 = 51,347.06/x
  3. Step 3: Cross multiply
    69,905.78x = 104,755.00 × 51,347.06
  4. Step 4: Simplify right side
    69,905.78x = 5,378,861,552.10
  5. Step 5: Solve for x
    x = 5,378,861,552.10/69,905.78
  6. Step 6: Final answer
    x = 76,944.44

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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.