Home / 73,250.28-109,761.75-50,804.78

Finding the Fourth Proportional to 73,250.28, 109,761.75 and 50,804.78

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Solution

The fourth proportional to 73,250.28, 109,761.75 and 50,804.78 is: 76,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,250.28 : 109,761.75 = 50,804.78 : x
  2. Step 2: Convert to fraction form
    73,250.28/109,761.75 = 50,804.78/x
  3. Step 3: Cross multiply
    73,250.28x = 109,761.75 × 50,804.78
  4. Step 4: Simplify right side
    73,250.28x = 5,576,421,012.36
  5. Step 5: Solve for x
    x = 5,576,421,012.36/73,250.28
  6. Step 6: Final answer
    x = 76,128.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.