Home / 90,767.94-125,261.36-50,481.71

Finding the Fourth Proportional to 90,767.94, 125,261.36 and 50,481.71

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Solution

The fourth proportional to 90,767.94, 125,261.36 and 50,481.71 is: 69,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,767.94 : 125,261.36 = 50,481.71 : x
  2. Step 2: Convert to fraction form
    90,767.94/125,261.36 = 50,481.71/x
  3. Step 3: Cross multiply
    90,767.94x = 125,261.36 × 50,481.71
  4. Step 4: Simplify right side
    90,767.94x = 6,323,407,899.78
  5. Step 5: Solve for x
    x = 6,323,407,899.78/90,767.94
  6. Step 6: Final answer
    x = 69,665.66

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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.