Home / 76,676.32-115,019.06-24,085.79

Finding the Fourth Proportional to 76,676.32, 115,019.06 and 24,085.79

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Solution

The fourth proportional to 76,676.32, 115,019.06 and 24,085.79 is: 36,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,676.32 : 115,019.06 = 24,085.79 : x
  2. Step 2: Convert to fraction form
    76,676.32/115,019.06 = 24,085.79/x
  3. Step 3: Cross multiply
    76,676.32x = 115,019.06 × 24,085.79
  4. Step 4: Simplify right side
    76,676.32x = 2,770,324,660.95
  5. Step 5: Solve for x
    x = 2,770,324,660.95/76,676.32
  6. Step 6: Final answer
    x = 36,130.12

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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.