Home / 79,068.53-109,115.37-43,257.75

Finding the Fourth Proportional to 79,068.53, 109,115.37 and 43,257.75

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Solution

The fourth proportional to 79,068.53, 109,115.37 and 43,257.75 is: 59,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,068.53 : 109,115.37 = 43,257.75 : x
  2. Step 2: Convert to fraction form
    79,068.53/109,115.37 = 43,257.75/x
  3. Step 3: Cross multiply
    79,068.53x = 109,115.37 × 43,257.75
  4. Step 4: Simplify right side
    79,068.53x = 4,720,085,396.62
  5. Step 5: Solve for x
    x = 4,720,085,396.62/79,068.53
  6. Step 6: Final answer
    x = 59,696.14

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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.