Home / 89,976.37-124,168.32-49,691.14

Finding the Fourth Proportional to 89,976.37, 124,168.32 and 49,691.14

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Solution

The fourth proportional to 89,976.37, 124,168.32 and 49,691.14 is: 68,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,976.37 : 124,168.32 = 49,691.14 : x
  2. Step 2: Convert to fraction form
    89,976.37/124,168.32 = 49,691.14/x
  3. Step 3: Cross multiply
    89,976.37x = 124,168.32 × 49,691.14
  4. Step 4: Simplify right side
    89,976.37x = 6,170,065,372.68
  5. Step 5: Solve for x
    x = 6,170,065,372.68/89,976.37
  6. Step 6: Final answer
    x = 68,574.29

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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.