Home / 90,037.82-135,069.69-27,693.74

Finding the Fourth Proportional to 90,037.82, 135,069.69 and 27,693.74

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Solution

The fourth proportional to 90,037.82, 135,069.69 and 27,693.74 is: 41,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.82 : 135,069.69 = 27,693.74 : x
  2. Step 2: Convert to fraction form
    90,037.82/135,069.69 = 27,693.74/x
  3. Step 3: Cross multiply
    90,037.82x = 135,069.69 × 27,693.74
  4. Step 4: Simplify right side
    90,037.82x = 3,740,584,876.74
  5. Step 5: Solve for x
    x = 3,740,584,876.74/90,037.82
  6. Step 6: Final answer
    x = 41,544.60

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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.