Home / 90,463.26-124,839.63-50,180.70

Finding the Fourth Proportional to 90,463.26, 124,839.63 and 50,180.70

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Solution

The fourth proportional to 90,463.26, 124,839.63 and 50,180.70 is: 69,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.26 : 124,839.63 = 50,180.70 : x
  2. Step 2: Convert to fraction form
    90,463.26/124,839.63 = 50,180.70/x
  3. Step 3: Cross multiply
    90,463.26x = 124,839.63 × 50,180.70
  4. Step 4: Simplify right side
    90,463.26x = 6,264,540,021.14
  5. Step 5: Solve for x
    x = 6,264,540,021.14/90,463.26
  6. Step 6: Final answer
    x = 69,249.55

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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.