Home / 79,324.91-109,468.55-43,515.22

Finding the Fourth Proportional to 79,324.91, 109,468.55 and 43,515.22

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Solution

The fourth proportional to 79,324.91, 109,468.55 and 43,515.22 is: 60,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.91 : 109,468.55 = 43,515.22 : x
  2. Step 2: Convert to fraction form
    79,324.91/109,468.55 = 43,515.22/x
  3. Step 3: Cross multiply
    79,324.91x = 109,468.55 × 43,515.22
  4. Step 4: Simplify right side
    79,324.91x = 4,763,548,036.33
  5. Step 5: Solve for x
    x = 4,763,548,036.33/79,324.91
  6. Step 6: Final answer
    x = 60,051.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.