Home / 79,047.26-109,086.08-43,236.48

Finding the Fourth Proportional to 79,047.26, 109,086.08 and 43,236.48

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Solution

The fourth proportional to 79,047.26, 109,086.08 and 43,236.48 is: 59,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,047.26 : 109,086.08 = 43,236.48 : x
  2. Step 2: Convert to fraction form
    79,047.26/109,086.08 = 43,236.48/x
  3. Step 3: Cross multiply
    79,047.26x = 109,086.08 × 43,236.48
  4. Step 4: Simplify right side
    79,047.26x = 4,716,498,309.09
  5. Step 5: Solve for x
    x = 4,716,498,309.09/79,047.26
  6. Step 6: Final answer
    x = 59,666.82

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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.