Home / 89,650.51-123,718.53-49,365.19

Finding the Fourth Proportional to 89,650.51, 123,718.53 and 49,365.19

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Solution

The fourth proportional to 89,650.51, 123,718.53 and 49,365.19 is: 68,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,650.51 : 123,718.53 = 49,365.19 : x
  2. Step 2: Convert to fraction form
    89,650.51/123,718.53 = 49,365.19/x
  3. Step 3: Cross multiply
    89,650.51x = 123,718.53 × 49,365.19
  4. Step 4: Simplify right side
    89,650.51x = 6,107,388,739.97
  5. Step 5: Solve for x
    x = 6,107,388,739.97/89,650.51
  6. Step 6: Final answer
    x = 68,124.42

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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.