Home / 82,118.07-123,166.44-25,963.83

Finding the Fourth Proportional to 82,118.07, 123,166.44 and 25,963.83

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Solution

The fourth proportional to 82,118.07, 123,166.44 and 25,963.83 is: 38,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,118.07 : 123,166.44 = 25,963.83 : x
  2. Step 2: Convert to fraction form
    82,118.07/123,166.44 = 25,963.83/x
  3. Step 3: Cross multiply
    82,118.07x = 123,166.44 × 25,963.83
  4. Step 4: Simplify right side
    82,118.07x = 3,197,872,509.87
  5. Step 5: Solve for x
    x = 3,197,872,509.87/82,118.07
  6. Step 6: Final answer
    x = 38,942.37

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1.5x scale

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.