Home / 89,696.51-123,781.32-49,410.44

Finding the Fourth Proportional to 89,696.51, 123,781.32 and 49,410.44

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Solution

The fourth proportional to 89,696.51, 123,781.32 and 49,410.44 is: 68,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,696.51 : 123,781.32 = 49,410.44 : x
  2. Step 2: Convert to fraction form
    89,696.51/123,781.32 = 49,410.44/x
  3. Step 3: Cross multiply
    89,696.51x = 123,781.32 × 49,410.44
  4. Step 4: Simplify right side
    89,696.51x = 6,116,088,866.07
  5. Step 5: Solve for x
    x = 6,116,088,866.07/89,696.51
  6. Step 6: Final answer
    x = 68,186.48

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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.