Home / 69,405.75-95,736.87-51,237.90

Finding the Fourth Proportional to 69,405.75, 95,736.87 and 51,237.90

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Solution

The fourth proportional to 69,405.75, 95,736.87 and 51,237.90 is: 70,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.75 : 95,736.87 = 51,237.90 : x
  2. Step 2: Convert to fraction form
    69,405.75/95,736.87 = 51,237.90/x
  3. Step 3: Cross multiply
    69,405.75x = 95,736.87 × 51,237.90
  4. Step 4: Simplify right side
    69,405.75x = 4,905,356,171.37
  5. Step 5: Solve for x
    x = 4,905,356,171.37/69,405.75
  6. Step 6: Final answer
    x = 70,676.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.