Home / 89,710.06-123,799.92-49,423.47

Finding the Fourth Proportional to 89,710.06, 123,799.92 and 49,423.47

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Solution

The fourth proportional to 89,710.06, 123,799.92 and 49,423.47 is: 68,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,710.06 : 123,799.92 = 49,423.47 : x
  2. Step 2: Convert to fraction form
    89,710.06/123,799.92 = 49,423.47/x
  3. Step 3: Cross multiply
    89,710.06x = 123,799.92 × 49,423.47
  4. Step 4: Simplify right side
    89,710.06x = 6,118,621,121.54
  5. Step 5: Solve for x
    x = 6,118,621,121.54/89,710.06
  6. Step 6: Final answer
    x = 68,204.41

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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.