Home / 89,090.28-122,944.62-48,805.50

Finding the Fourth Proportional to 89,090.28, 122,944.62 and 48,805.50

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Solution

The fourth proportional to 89,090.28, 122,944.62 and 48,805.50 is: 67,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.28 : 122,944.62 = 48,805.50 : x
  2. Step 2: Convert to fraction form
    89,090.28/122,944.62 = 48,805.50/x
  3. Step 3: Cross multiply
    89,090.28x = 122,944.62 × 48,805.50
  4. Step 4: Simplify right side
    89,090.28x = 6,000,373,651.41
  5. Step 5: Solve for x
    x = 6,000,373,651.41/89,090.28
  6. Step 6: Final answer
    x = 67,351.61

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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.