Home / 76,850.92-115,282.32-29,488.68

Finding the Fourth Proportional to 76,850.92, 115,282.32 and 29,488.68

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Solution

The fourth proportional to 76,850.92, 115,282.32 and 29,488.68 is: 44,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,850.92 : 115,282.32 = 29,488.68 : x
  2. Step 2: Convert to fraction form
    76,850.92/115,282.32 = 29,488.68/x
  3. Step 3: Cross multiply
    76,850.92x = 115,282.32 × 29,488.68
  4. Step 4: Simplify right side
    76,850.92x = 3,399,523,444.14
  5. Step 5: Solve for x
    x = 3,399,523,444.14/76,850.92
  6. Step 6: Final answer
    x = 44,235.30

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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.