Home / 79,738.78-119,682.29-40,324.18

Finding the Fourth Proportional to 79,738.78, 119,682.29 and 40,324.18

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Solution

The fourth proportional to 79,738.78, 119,682.29 and 40,324.18 is: 60,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.78 : 119,682.29 = 40,324.18 : x
  2. Step 2: Convert to fraction form
    79,738.78/119,682.29 = 40,324.18/x
  3. Step 3: Cross multiply
    79,738.78x = 119,682.29 × 40,324.18
  4. Step 4: Simplify right side
    79,738.78x = 4,826,089,703.95
  5. Step 5: Solve for x
    x = 4,826,089,703.95/79,738.78
  6. Step 6: Final answer
    x = 60,523.75

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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.