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Finding the Fourth Proportional to 79,324.74, 119,023.44 and 34,359.86

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Solution

The fourth proportional to 79,324.74, 119,023.44 and 34,359.86 is: 51,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.74 : 119,023.44 = 34,359.86 : x
  2. Step 2: Convert to fraction form
    79,324.74/119,023.44 = 34,359.86/x
  3. Step 3: Cross multiply
    79,324.74x = 119,023.44 × 34,359.86
  4. Step 4: Simplify right side
    79,324.74x = 4,089,628,140.00
  5. Step 5: Solve for x
    x = 4,089,628,140.00/79,324.74
  6. Step 6: Final answer
    x = 51,555.52

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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.