Home / 89,369.37-123,331.14-49,086.86

Finding the Fourth Proportional to 89,369.37, 123,331.14 and 49,086.86

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Solution

The fourth proportional to 89,369.37, 123,331.14 and 49,086.86 is: 67,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369.37 : 123,331.14 = 49,086.86 : x
  2. Step 2: Convert to fraction form
    89,369.37/123,331.14 = 49,086.86/x
  3. Step 3: Cross multiply
    89,369.37x = 123,331.14 × 49,086.86
  4. Step 4: Simplify right side
    89,369.37x = 6,053,937,786.16
  5. Step 5: Solve for x
    x = 6,053,937,786.16/89,369.37
  6. Step 6: Final answer
    x = 67,740.63

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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.