Home / 79,110.41-109,172.61-43,302.74

Finding the Fourth Proportional to 79,110.41, 109,172.61 and 43,302.74

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Solution

The fourth proportional to 79,110.41, 109,172.61 and 43,302.74 is: 59,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.41 : 109,172.61 = 43,302.74 : x
  2. Step 2: Convert to fraction form
    79,110.41/109,172.61 = 43,302.74/x
  3. Step 3: Cross multiply
    79,110.41x = 109,172.61 × 43,302.74
  4. Step 4: Simplify right side
    79,110.41x = 4,727,472,600.09
  5. Step 5: Solve for x
    x = 4,727,472,600.09/79,110.41
  6. Step 6: Final answer
    x = 59,757.91

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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.