Home / 90,080.76-124,311.42-49,794.60

Finding the Fourth Proportional to 90,080.76, 124,311.42 and 49,794.60

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Solution

The fourth proportional to 90,080.76, 124,311.42 and 49,794.60 is: 68,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,080.76 : 124,311.42 = 49,794.60 : x
  2. Step 2: Convert to fraction form
    90,080.76/124,311.42 = 49,794.60/x
  3. Step 3: Cross multiply
    90,080.76x = 124,311.42 × 49,794.60
  4. Step 4: Simplify right side
    90,080.76x = 6,190,037,434.33
  5. Step 5: Solve for x
    x = 6,190,037,434.33/90,080.76
  6. Step 6: Final answer
    x = 68,716.53

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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.