Home / 89,802.33-123,932.81-49,516.04

Finding the Fourth Proportional to 89,802.33, 123,932.81 and 49,516.04

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Solution

The fourth proportional to 89,802.33, 123,932.81 and 49,516.04 is: 68,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.33 : 123,932.81 = 49,516.04 : x
  2. Step 2: Convert to fraction form
    89,802.33/123,932.81 = 49,516.04/x
  3. Step 3: Cross multiply
    89,802.33x = 123,932.81 × 49,516.04
  4. Step 4: Simplify right side
    89,802.33x = 6,136,661,110.03
  5. Step 5: Solve for x
    x = 6,136,661,110.03/89,802.33
  6. Step 6: Final answer
    x = 68,335.21

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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.