Home / 89,137.56-123,000.20-50,893.50

Finding the Fourth Proportional to 89,137.56, 123,000.20 and 50,893.50

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Solution

The fourth proportional to 89,137.56, 123,000.20 and 50,893.50 is: 70,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.56 : 123,000.20 = 50,893.50 : x
  2. Step 2: Convert to fraction form
    89,137.56/123,000.20 = 50,893.50/x
  3. Step 3: Cross multiply
    89,137.56x = 123,000.20 × 50,893.50
  4. Step 4: Simplify right side
    89,137.56x = 6,259,910,678.70
  5. Step 5: Solve for x
    x = 6,259,910,678.70/89,137.56
  6. Step 6: Final answer
    x = 70,227.53

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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.