Home / 90,839.39-125,360.39-50,557.28

Finding the Fourth Proportional to 90,839.39, 125,360.39 and 50,557.28

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Solution

The fourth proportional to 90,839.39, 125,360.39 and 50,557.28 is: 69,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839.39 : 125,360.39 = 50,557.28 : x
  2. Step 2: Convert to fraction form
    90,839.39/125,360.39 = 50,557.28/x
  3. Step 3: Cross multiply
    90,839.39x = 125,360.39 × 50,557.28
  4. Step 4: Simplify right side
    90,839.39x = 6,337,879,837.73
  5. Step 5: Solve for x
    x = 6,337,879,837.73/90,839.39
  6. Step 6: Final answer
    x = 69,770.18

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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.