Home / 89,684.85-123,765.93-49,398.77

Finding the Fourth Proportional to 89,684.85, 123,765.93 and 49,398.77

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Solution

The fourth proportional to 89,684.85, 123,765.93 and 49,398.77 is: 68,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,684.85 : 123,765.93 = 49,398.77 : x
  2. Step 2: Convert to fraction form
    89,684.85/123,765.93 = 49,398.77/x
  3. Step 3: Cross multiply
    89,684.85x = 123,765.93 × 49,398.77
  4. Step 4: Simplify right side
    89,684.85x = 6,113,884,091.08
  5. Step 5: Solve for x
    x = 6,113,884,091.08/89,684.85
  6. Step 6: Final answer
    x = 68,170.76

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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.