Home / 71,945.56-99,292.26-43,274.44

Finding the Fourth Proportional to 71,945.56, 99,292.26 and 43,274.44

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Solution

The fourth proportional to 71,945.56, 99,292.26 and 43,274.44 is: 59,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,945.56 : 99,292.26 = 43,274.44 : x
  2. Step 2: Convert to fraction form
    71,945.56/99,292.26 = 43,274.44/x
  3. Step 3: Cross multiply
    71,945.56x = 99,292.26 × 43,274.44
  4. Step 4: Simplify right side
    71,945.56x = 4,296,816,947.83
  5. Step 5: Solve for x
    x = 4,296,816,947.83/71,945.56
  6. Step 6: Final answer
    x = 59,723.17

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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.