Home / 89,684.35-123,765.24-49,398.27

Finding the Fourth Proportional to 89,684.35, 123,765.24 and 49,398.27

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Solution

The fourth proportional to 89,684.35, 123,765.24 and 49,398.27 is: 68,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,684.35 : 123,765.24 = 49,398.27 : x
  2. Step 2: Convert to fraction form
    89,684.35/123,765.24 = 49,398.27/x
  3. Step 3: Cross multiply
    89,684.35x = 123,765.24 × 49,398.27
  4. Step 4: Simplify right side
    89,684.35x = 6,113,788,742.13
  5. Step 5: Solve for x
    x = 6,113,788,742.13/89,684.35
  6. Step 6: Final answer
    x = 68,170.07

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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.