Home / 90,544.23-124,945.34-50,255.64

Finding the Fourth Proportional to 90,544.23, 124,945.34 and 50,255.64

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Solution

The fourth proportional to 90,544.23, 124,945.34 and 50,255.64 is: 69,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,544.23 : 124,945.34 = 50,255.64 : x
  2. Step 2: Convert to fraction form
    90,544.23/124,945.34 = 50,255.64/x
  3. Step 3: Cross multiply
    90,544.23x = 124,945.34 × 50,255.64
  4. Step 4: Simplify right side
    90,544.23x = 6,279,207,775.44
  5. Step 5: Solve for x
    x = 6,279,207,775.44/90,544.23
  6. Step 6: Final answer
    x = 69,349.62

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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.