Home / 90,469.27-124,832.64-50,176.63

Finding the Fourth Proportional to 90,469.27, 124,832.64 and 50,176.63

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Solution

The fourth proportional to 90,469.27, 124,832.64 and 50,176.63 is: 69,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,469.27 : 124,832.64 = 50,176.63 : x
  2. Step 2: Convert to fraction form
    90,469.27/124,832.64 = 50,176.63/x
  3. Step 3: Cross multiply
    90,469.27x = 124,832.64 × 50,176.63
  4. Step 4: Simplify right side
    90,469.27x = 6,263,681,189.20
  5. Step 5: Solve for x
    x = 6,263,681,189.20/90,469.27
  6. Step 6: Final answer
    x = 69,235.46

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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.