Home / 90,738.09-125,204.94-50,452.20

Finding the Fourth Proportional to 90,738.09, 125,204.94 and 50,452.20

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Solution

The fourth proportional to 90,738.09, 125,204.94 and 50,452.20 is: 69,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,738.09 : 125,204.94 = 50,452.20 : x
  2. Step 2: Convert to fraction form
    90,738.09/125,204.94 = 50,452.20/x
  3. Step 3: Cross multiply
    90,738.09x = 125,204.94 × 50,452.20
  4. Step 4: Simplify right side
    90,738.09x = 6,316,864,673.87
  5. Step 5: Solve for x
    x = 6,316,864,673.87/90,738.09
  6. Step 6: Final answer
    x = 69,616.46

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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.