Home / 89,757.46-123,866.05-49,471.32

Finding the Fourth Proportional to 89,757.46, 123,866.05 and 49,471.32

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Solution

The fourth proportional to 89,757.46, 123,866.05 and 49,471.32 is: 68,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,757.46 : 123,866.05 = 49,471.32 : x
  2. Step 2: Convert to fraction form
    89,757.46/123,866.05 = 49,471.32/x
  3. Step 3: Cross multiply
    89,757.46x = 123,866.05 × 49,471.32
  4. Step 4: Simplify right side
    89,757.46x = 6,127,816,130.00
  5. Step 5: Solve for x
    x = 6,127,816,130.00/89,757.46
  6. Step 6: Final answer
    x = 68,270.83

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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.