Home / 91,149.35-125,790.11-50,863.26

Finding the Fourth Proportional to 91,149.35, 125,790.11 and 50,863.26

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Solution

The fourth proportional to 91,149.35, 125,790.11 and 50,863.26 is: 70,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.35 : 125,790.11 = 50,863.26 : x
  2. Step 2: Convert to fraction form
    91,149.35/125,790.11 = 50,863.26/x
  3. Step 3: Cross multiply
    91,149.35x = 125,790.11 × 50,863.26
  4. Step 4: Simplify right side
    91,149.35x = 6,398,094,816.04
  5. Step 5: Solve for x
    x = 6,398,094,816.04/91,149.35
  6. Step 6: Final answer
    x = 70,193.54

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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.