Home / 89,265.41-123,186.21-48,979.43

Finding the Fourth Proportional to 89,265.41, 123,186.21 and 48,979.43

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Solution

The fourth proportional to 89,265.41, 123,186.21 and 48,979.43 is: 67,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,265.41 : 123,186.21 = 48,979.43 : x
  2. Step 2: Convert to fraction form
    89,265.41/123,186.21 = 48,979.43/x
  3. Step 3: Cross multiply
    89,265.41x = 123,186.21 × 48,979.43
  4. Step 4: Simplify right side
    89,265.41x = 6,033,590,349.66
  5. Step 5: Solve for x
    x = 6,033,590,349.66/89,265.41
  6. Step 6: Final answer
    x = 67,591.58

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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.