Home / 77,069.08-115,508.94-43,816.96

Finding the Fourth Proportional to 77,069.08, 115,508.94 and 43,816.96

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Solution

The fourth proportional to 77,069.08, 115,508.94 and 43,816.96 is: 65,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,069.08 : 115,508.94 = 43,816.96 : x
  2. Step 2: Convert to fraction form
    77,069.08/115,508.94 = 43,816.96/x
  3. Step 3: Cross multiply
    77,069.08x = 115,508.94 × 43,816.96
  4. Step 4: Simplify right side
    77,069.08x = 5,061,250,603.62
  5. Step 5: Solve for x
    x = 5,061,250,603.62/77,069.08
  6. Step 6: Final answer
    x = 65,671.61

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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.