Home / 79,124.69-109,192.26-43,317.02

Finding the Fourth Proportional to 79,124.69, 109,192.26 and 43,317.02

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Solution

The fourth proportional to 79,124.69, 109,192.26 and 43,317.02 is: 59,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,124.69 : 109,192.26 = 43,317.02 : x
  2. Step 2: Convert to fraction form
    79,124.69/109,192.26 = 43,317.02/x
  3. Step 3: Cross multiply
    79,124.69x = 109,192.26 × 43,317.02
  4. Step 4: Simplify right side
    79,124.69x = 4,729,882,764.30
  5. Step 5: Solve for x
    x = 4,729,882,764.30/79,124.69
  6. Step 6: Final answer
    x = 59,777.59

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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.