Home / 108,936.65-150,340.64-61,192.82

Finding the Fourth Proportional to 108,936.65, 150,340.64 and 61,192.82

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Solution

The fourth proportional to 108,936.65, 150,340.64 and 61,192.82 is: 84,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936.65 : 150,340.64 = 61,192.82 : x
  2. Step 2: Convert to fraction form
    108,936.65/150,340.64 = 61,192.82/x
  3. Step 3: Cross multiply
    108,936.65x = 150,340.64 × 61,192.82
  4. Step 4: Simplify right side
    108,936.65x = 9,199,766,664.54
  5. Step 5: Solve for x
    x = 9,199,766,664.54/108,936.65
  6. Step 6: Final answer
    x = 84,450.61

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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.