Home / 103,989.15-156,005.73-33,863.13

Finding the Fourth Proportional to 103,989.15, 156,005.73 and 33,863.13

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Solution

The fourth proportional to 103,989.15, 156,005.73 and 33,863.13 is: 50,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,989.15 : 156,005.73 = 33,863.13 : x
  2. Step 2: Convert to fraction form
    103,989.15/156,005.73 = 33,863.13/x
  3. Step 3: Cross multiply
    103,989.15x = 156,005.73 × 33,863.13
  4. Step 4: Simplify right side
    103,989.15x = 5,282,842,315.73
  5. Step 5: Solve for x
    x = 5,282,842,315.73/103,989.15
  6. Step 6: Final answer
    x = 50,801.86

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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.