Home / 85,008.15-127,516.77-25,839.27

Finding the Fourth Proportional to 85,008.15, 127,516.77 and 25,839.27

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Solution

The fourth proportional to 85,008.15, 127,516.77 and 25,839.27 is: 38,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.15 : 127,516.77 = 25,839.27 : x
  2. Step 2: Convert to fraction form
    85,008.15/127,516.77 = 25,839.27/x
  3. Step 3: Cross multiply
    85,008.15x = 127,516.77 × 25,839.27
  4. Step 4: Simplify right side
    85,008.15x = 3,294,940,249.56
  5. Step 5: Solve for x
    x = 3,294,940,249.56/85,008.15
  6. Step 6: Final answer
    x = 38,760.29

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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.