Home / 75,857.28-104,687.83-43,602.22

Finding the Fourth Proportional to 75,857.28, 104,687.83 and 43,602.22

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Solution

The fourth proportional to 75,857.28, 104,687.83 and 43,602.22 is: 60,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,857.28 : 104,687.83 = 43,602.22 : x
  2. Step 2: Convert to fraction form
    75,857.28/104,687.83 = 43,602.22/x
  3. Step 3: Cross multiply
    75,857.28x = 104,687.83 × 43,602.22
  4. Step 4: Simplify right side
    75,857.28x = 4,564,621,576.97
  5. Step 5: Solve for x
    x = 4,564,621,576.97/75,857.28
  6. Step 6: Final answer
    x = 60,173.81

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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.