Home / 79,391.07-109,559.24-43,581.69

Finding the Fourth Proportional to 79,391.07, 109,559.24 and 43,581.69

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Solution

The fourth proportional to 79,391.07, 109,559.24 and 43,581.69 is: 60,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.07 : 109,559.24 = 43,581.69 : x
  2. Step 2: Convert to fraction form
    79,391.07/109,559.24 = 43,581.69/x
  3. Step 3: Cross multiply
    79,391.07x = 109,559.24 × 43,581.69
  4. Step 4: Simplify right side
    79,391.07x = 4,774,776,616.41
  5. Step 5: Solve for x
    x = 4,774,776,616.41/79,391.07
  6. Step 6: Final answer
    x = 60,142.49

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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.