Home / 76,976.59-115,448.38-44,934.32

Finding the Fourth Proportional to 76,976.59, 115,448.38 and 44,934.32

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Solution

The fourth proportional to 76,976.59, 115,448.38 and 44,934.32 is: 67,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,976.59 : 115,448.38 = 44,934.32 : x
  2. Step 2: Convert to fraction form
    76,976.59/115,448.38 = 44,934.32/x
  3. Step 3: Cross multiply
    76,976.59x = 115,448.38 × 44,934.32
  4. Step 4: Simplify right side
    76,976.59x = 5,187,594,450.40
  5. Step 5: Solve for x
    x = 5,187,594,450.40/76,976.59
  6. Step 6: Final answer
    x = 67,391.85

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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.