Home / 69,438.58-95,845.53-40,765.66

Finding the Fourth Proportional to 69,438.58, 95,845.53 and 40,765.66

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Solution

The fourth proportional to 69,438.58, 95,845.53 and 40,765.66 is: 56,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.58 : 95,845.53 = 40,765.66 : x
  2. Step 2: Convert to fraction form
    69,438.58/95,845.53 = 40,765.66/x
  3. Step 3: Cross multiply
    69,438.58x = 95,845.53 × 40,765.66
  4. Step 4: Simplify right side
    69,438.58x = 3,907,206,288.50
  5. Step 5: Solve for x
    x = 3,907,206,288.50/69,438.58
  6. Step 6: Final answer
    x = 56,268.52

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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.