Home / 76,764.72-115,144.32-26,844.72

Finding the Fourth Proportional to 76,764.72, 115,144.32 and 26,844.72

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Solution

The fourth proportional to 76,764.72, 115,144.32 and 26,844.72 is: 40,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.72 : 115,144.32 = 26,844.72 : x
  2. Step 2: Convert to fraction form
    76,764.72/115,144.32 = 26,844.72/x
  3. Step 3: Cross multiply
    76,764.72x = 115,144.32 × 26,844.72
  4. Step 4: Simplify right side
    76,764.72x = 3,091,017,029.99
  5. Step 5: Solve for x
    x = 3,091,017,029.99/76,764.72
  6. Step 6: Final answer
    x = 40,266.11

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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.