Home / 89,086.42-122,941.24-50,845.20

Finding the Fourth Proportional to 89,086.42, 122,941.24 and 50,845.20

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Solution

The fourth proportional to 89,086.42, 122,941.24 and 50,845.20 is: 70,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,086.42 : 122,941.24 = 50,845.20 : x
  2. Step 2: Convert to fraction form
    89,086.42/122,941.24 = 50,845.20/x
  3. Step 3: Cross multiply
    89,086.42x = 122,941.24 × 50,845.20
  4. Step 4: Simplify right side
    89,086.42x = 6,250,971,936.05
  5. Step 5: Solve for x
    x = 6,250,971,936.05/89,086.42
  6. Step 6: Final answer
    x = 70,167.51

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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.