Home / 79,899.12-110,221.29-52,287.44

Finding the Fourth Proportional to 79,899.12, 110,221.29 and 52,287.44

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Solution

The fourth proportional to 79,899.12, 110,221.29 and 52,287.44 is: 72,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,899.12 : 110,221.29 = 52,287.44 : x
  2. Step 2: Convert to fraction form
    79,899.12/110,221.29 = 52,287.44/x
  3. Step 3: Cross multiply
    79,899.12x = 110,221.29 × 52,287.44
  4. Step 4: Simplify right side
    79,899.12x = 5,763,188,536.49
  5. Step 5: Solve for x
    x = 5,763,188,536.49/79,899.12
  6. Step 6: Final answer
    x = 72,130.81

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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.