Home / 89,268.90-123,186.96-48,981.66

Finding the Fourth Proportional to 89,268.90, 123,186.96 and 48,981.66

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Solution

The fourth proportional to 89,268.90, 123,186.96 and 48,981.66 is: 67,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.90 : 123,186.96 = 48,981.66 : x
  2. Step 2: Convert to fraction form
    89,268.90/123,186.96 = 48,981.66/x
  3. Step 3: Cross multiply
    89,268.90x = 123,186.96 × 48,981.66
  4. Step 4: Simplify right side
    89,268.90x = 6,033,901,791.15
  5. Step 5: Solve for x
    x = 6,033,901,791.15/89,268.90
  6. Step 6: Final answer
    x = 67,592.43

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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.