Home / 77,930.86-116,910.96-25,355.38

Finding the Fourth Proportional to 77,930.86, 116,910.96 and 25,355.38

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Solution

The fourth proportional to 77,930.86, 116,910.96 and 25,355.38 is: 38,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930.86 : 116,910.96 = 25,355.38 : x
  2. Step 2: Convert to fraction form
    77,930.86/116,910.96 = 25,355.38/x
  3. Step 3: Cross multiply
    77,930.86x = 116,910.96 × 25,355.38
  4. Step 4: Simplify right side
    77,930.86x = 2,964,321,816.96
  5. Step 5: Solve for x
    x = 2,964,321,816.96/77,930.86
  6. Step 6: Final answer
    x = 38,037.84

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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.