Home / 90,519.93-124,921.77-50,234.04

Finding the Fourth Proportional to 90,519.93, 124,921.77 and 50,234.04

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Solution

The fourth proportional to 90,519.93, 124,921.77 and 50,234.04 is: 69,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,519.93 : 124,921.77 = 50,234.04 : x
  2. Step 2: Convert to fraction form
    90,519.93/124,921.77 = 50,234.04/x
  3. Step 3: Cross multiply
    90,519.93x = 124,921.77 × 50,234.04
  4. Step 4: Simplify right side
    90,519.93x = 6,275,325,191.05
  5. Step 5: Solve for x
    x = 6,275,325,191.05/90,519.93
  6. Step 6: Final answer
    x = 69,325.34

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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.