Home / 73,033.24-100,542.18-69,689.56

Finding the Fourth Proportional to 73,033.24, 100,542.18 and 69,689.56

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Solution

The fourth proportional to 73,033.24, 100,542.18 and 69,689.56 is: 95,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,033.24 : 100,542.18 = 69,689.56 : x
  2. Step 2: Convert to fraction form
    73,033.24/100,542.18 = 69,689.56/x
  3. Step 3: Cross multiply
    73,033.24x = 100,542.18 × 69,689.56
  4. Step 4: Simplify right side
    73,033.24x = 7,006,740,285.64
  5. Step 5: Solve for x
    x = 7,006,740,285.64/73,033.24
  6. Step 6: Final answer
    x = 95,939.06

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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.