Home / 90,505.74-124,912.83-50,232.48

Finding the Fourth Proportional to 90,505.74, 124,912.83 and 50,232.48

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Solution

The fourth proportional to 90,505.74, 124,912.83 and 50,232.48 is: 69,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,505.74 : 124,912.83 = 50,232.48 : x
  2. Step 2: Convert to fraction form
    90,505.74/124,912.83 = 50,232.48/x
  3. Step 3: Cross multiply
    90,505.74x = 124,912.83 × 50,232.48
  4. Step 4: Simplify right side
    90,505.74x = 6,274,681,234.72
  5. Step 5: Solve for x
    x = 6,274,681,234.72/90,505.74
  6. Step 6: Final answer
    x = 69,329.10

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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.