Home / 90,606.15-135,910.35-27,426.69

Finding the Fourth Proportional to 90,606.15, 135,910.35 and 27,426.69

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Solution

The fourth proportional to 90,606.15, 135,910.35 and 27,426.69 is: 41,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,606.15 : 135,910.35 = 27,426.69 : x
  2. Step 2: Convert to fraction form
    90,606.15/135,910.35 = 27,426.69/x
  3. Step 3: Cross multiply
    90,606.15x = 135,910.35 × 27,426.69
  4. Step 4: Simplify right side
    90,606.15x = 3,727,571,037.24
  5. Step 5: Solve for x
    x = 3,727,571,037.24/90,606.15
  6. Step 6: Final answer
    x = 41,140.38

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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.