Home / 79,536.40-109,760.31-43,727.02

Finding the Fourth Proportional to 79,536.40, 109,760.31 and 43,727.02

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Solution

The fourth proportional to 79,536.40, 109,760.31 and 43,727.02 is: 60,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,536.40 : 109,760.31 = 43,727.02 : x
  2. Step 2: Convert to fraction form
    79,536.40/109,760.31 = 43,727.02/x
  3. Step 3: Cross multiply
    79,536.40x = 109,760.31 × 43,727.02
  4. Step 4: Simplify right side
    79,536.40x = 4,799,490,996.18
  5. Step 5: Solve for x
    x = 4,799,490,996.18/79,536.40
  6. Step 6: Final answer
    x = 60,343.33

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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.