Home / 79,068.03-109,114.68-43,257.25

Finding the Fourth Proportional to 79,068.03, 109,114.68 and 43,257.25

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Solution

The fourth proportional to 79,068.03, 109,114.68 and 43,257.25 is: 59,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,068.03 : 109,114.68 = 43,257.25 : x
  2. Step 2: Convert to fraction form
    79,068.03/109,114.68 = 43,257.25/x
  3. Step 3: Cross multiply
    79,068.03x = 109,114.68 × 43,257.25
  4. Step 4: Simplify right side
    79,068.03x = 4,720,000,991.43
  5. Step 5: Solve for x
    x = 4,720,000,991.43/79,068.03
  6. Step 6: Final answer
    x = 59,695.44

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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.