Home / 82,101.48-123,168.90-25,950.36

Finding the Fourth Proportional to 82,101.48, 123,168.90 and 25,950.36

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Solution

The fourth proportional to 82,101.48, 123,168.90 and 25,950.36 is: 38,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,101.48 : 123,168.90 = 25,950.36 : x
  2. Step 2: Convert to fraction form
    82,101.48/123,168.90 = 25,950.36/x
  3. Step 3: Cross multiply
    82,101.48x = 123,168.90 × 25,950.36
  4. Step 4: Simplify right side
    82,101.48x = 3,196,277,295.80
  5. Step 5: Solve for x
    x = 3,196,277,295.80/82,101.48
  6. Step 6: Final answer
    x = 38,930.81

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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.