Home / 89,576.49-123,619.62-55,595.92

Finding the Fourth Proportional to 89,576.49, 123,619.62 and 55,595.92

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Solution

The fourth proportional to 89,576.49, 123,619.62 and 55,595.92 is: 76,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.49 : 123,619.62 = 55,595.92 : x
  2. Step 2: Convert to fraction form
    89,576.49/123,619.62 = 55,595.92/x
  3. Step 3: Cross multiply
    89,576.49x = 123,619.62 × 55,595.92
  4. Step 4: Simplify right side
    89,576.49x = 6,872,745,986.42
  5. Step 5: Solve for x
    x = 6,872,745,986.42/89,576.49
  6. Step 6: Final answer
    x = 76,724.89

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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.