Home / 87,665.57-120,922.38-60,798.27

Finding the Fourth Proportional to 87,665.57, 120,922.38 and 60,798.27

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Solution

The fourth proportional to 87,665.57, 120,922.38 and 60,798.27 is: 83,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,665.57 : 120,922.38 = 60,798.27 : x
  2. Step 2: Convert to fraction form
    87,665.57/120,922.38 = 60,798.27/x
  3. Step 3: Cross multiply
    87,665.57x = 120,922.38 × 60,798.27
  4. Step 4: Simplify right side
    87,665.57x = 7,351,871,508.28
  5. Step 5: Solve for x
    x = 7,351,871,508.28/87,665.57
  6. Step 6: Final answer
    x = 83,862.71

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1.5x scale

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.