Home / 79,066.22-109,111.13-43,255.92

Finding the Fourth Proportional to 79,066.22, 109,111.13 and 43,255.92

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Solution

The fourth proportional to 79,066.22, 109,111.13 and 43,255.92 is: 59,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,066.22 : 109,111.13 = 43,255.92 : x
  2. Step 2: Convert to fraction form
    79,066.22/109,111.13 = 43,255.92/x
  3. Step 3: Cross multiply
    79,066.22x = 109,111.13 × 43,255.92
  4. Step 4: Simplify right side
    79,066.22x = 4,719,702,310.39
  5. Step 5: Solve for x
    x = 4,719,702,310.39/79,066.22
  6. Step 6: Final answer
    x = 59,693.03

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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.