Home / 90,634.68-125,074.17-50,348.04

Finding the Fourth Proportional to 90,634.68, 125,074.17 and 50,348.04

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Solution

The fourth proportional to 90,634.68, 125,074.17 and 50,348.04 is: 69,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.68 : 125,074.17 = 50,348.04 : x
  2. Step 2: Convert to fraction form
    90,634.68/125,074.17 = 50,348.04/x
  3. Step 3: Cross multiply
    90,634.68x = 125,074.17 × 50,348.04
  4. Step 4: Simplify right side
    90,634.68x = 6,297,239,314.13
  5. Step 5: Solve for x
    x = 6,297,239,314.13/90,634.68
  6. Step 6: Final answer
    x = 69,479.36

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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.