Home / 99,083.41-136,732.92-53,761.48

Finding the Fourth Proportional to 99,083.41, 136,732.92 and 53,761.48

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Solution

The fourth proportional to 99,083.41, 136,732.92 and 53,761.48 is: 74,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,083.41 : 136,732.92 = 53,761.48 : x
  2. Step 2: Convert to fraction form
    99,083.41/136,732.92 = 53,761.48/x
  3. Step 3: Cross multiply
    99,083.41x = 136,732.92 × 53,761.48
  4. Step 4: Simplify right side
    99,083.41x = 7,350,964,143.92
  5. Step 5: Solve for x
    x = 7,350,964,143.92/99,083.41
  6. Step 6: Final answer
    x = 74,189.66

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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.