Home / 89,853.36-123,997.65-49,567.23

Finding the Fourth Proportional to 89,853.36, 123,997.65 and 49,567.23

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Solution

The fourth proportional to 89,853.36, 123,997.65 and 49,567.23 is: 68,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,853.36 : 123,997.65 = 49,567.23 : x
  2. Step 2: Convert to fraction form
    89,853.36/123,997.65 = 49,567.23/x
  3. Step 3: Cross multiply
    89,853.36x = 123,997.65 × 49,567.23
  4. Step 4: Simplify right side
    89,853.36x = 6,146,220,037.01
  5. Step 5: Solve for x
    x = 6,146,220,037.01/89,853.36
  6. Step 6: Final answer
    x = 68,402.78

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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.