Home / 103,199.73-142,431.19-62,936.85

Finding the Fourth Proportional to 103,199.73, 142,431.19 and 62,936.85

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Solution

The fourth proportional to 103,199.73, 142,431.19 and 62,936.85 is: 86,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,199.73 : 142,431.19 = 62,936.85 : x
  2. Step 2: Convert to fraction form
    103,199.73/142,431.19 = 62,936.85/x
  3. Step 3: Cross multiply
    103,199.73x = 142,431.19 × 62,936.85
  4. Step 4: Simplify right side
    103,199.73x = 8,964,170,440.35
  5. Step 5: Solve for x
    x = 8,964,170,440.35/103,199.73
  6. Step 6: Final answer
    x = 86,862.34

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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.