Home / 69,811.44-96,338.46-38,765.64

Finding the Fourth Proportional to 69,811.44, 96,338.46 and 38,765.64

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Solution

The fourth proportional to 69,811.44, 96,338.46 and 38,765.64 is: 53,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,811.44 : 96,338.46 = 38,765.64 : x
  2. Step 2: Convert to fraction form
    69,811.44/96,338.46 = 38,765.64/x
  3. Step 3: Cross multiply
    69,811.44x = 96,338.46 × 38,765.64
  4. Step 4: Simplify right side
    69,811.44x = 3,734,622,058.51
  5. Step 5: Solve for x
    x = 3,734,622,058.51/69,811.44
  6. Step 6: Final answer
    x = 53,495.85

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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.