Home / 91,083.33-136,558.94-61,427.61

Finding the Fourth Proportional to 91,083.33, 136,558.94 and 61,427.61

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Solution

The fourth proportional to 91,083.33, 136,558.94 and 61,427.61 is: 92,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,083.33 : 136,558.94 = 61,427.61 : x
  2. Step 2: Convert to fraction form
    91,083.33/136,558.94 = 61,427.61/x
  3. Step 3: Cross multiply
    91,083.33x = 136,558.94 × 61,427.61
  4. Step 4: Simplify right side
    91,083.33x = 8,388,489,001.20
  5. Step 5: Solve for x
    x = 8,388,489,001.20/91,083.33
  6. Step 6: Final answer
    x = 92,096.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.