Home / 76,910.72-115,268.88-41,283.68

Finding the Fourth Proportional to 76,910.72, 115,268.88 and 41,283.68

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Solution

The fourth proportional to 76,910.72, 115,268.88 and 41,283.68 is: 61,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,910.72 : 115,268.88 = 41,283.68 : x
  2. Step 2: Convert to fraction form
    76,910.72/115,268.88 = 41,283.68/x
  3. Step 3: Cross multiply
    76,910.72x = 115,268.88 × 41,283.68
  4. Step 4: Simplify right side
    76,910.72x = 4,758,723,555.88
  5. Step 5: Solve for x
    x = 4,758,723,555.88/76,910.72
  6. Step 6: Final answer
    x = 61,873.35

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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.