Home / 89,743.63-123,844.36-49,456.36

Finding the Fourth Proportional to 89,743.63, 123,844.36 and 49,456.36

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Solution

The fourth proportional to 89,743.63, 123,844.36 and 49,456.36 is: 68,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.63 : 123,844.36 = 49,456.36 : x
  2. Step 2: Convert to fraction form
    89,743.63/123,844.36 = 49,456.36/x
  3. Step 3: Cross multiply
    89,743.63x = 123,844.36 × 49,456.36
  4. Step 4: Simplify right side
    89,743.63x = 6,124,891,252.13
  5. Step 5: Solve for x
    x = 6,124,891,252.13/89,743.63
  6. Step 6: Final answer
    x = 68,248.76

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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.