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Finding the Fourth Proportional to 79,452.39, 119,120.81 and 37,310.76

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Solution

The fourth proportional to 79,452.39, 119,120.81 and 37,310.76 is: 55,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,452.39 : 119,120.81 = 37,310.76 : x
  2. Step 2: Convert to fraction form
    79,452.39/119,120.81 = 37,310.76/x
  3. Step 3: Cross multiply
    79,452.39x = 119,120.81 × 37,310.76
  4. Step 4: Simplify right side
    79,452.39x = 4,444,487,766.36
  5. Step 5: Solve for x
    x = 4,444,487,766.36/79,452.39
  6. Step 6: Final answer
    x = 55,939.01

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1.5x scale

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.