Home / 120,885.97-181,365.18-48,801.77

Finding the Fourth Proportional to 120,885.97, 181,365.18 and 48,801.77

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Solution

The fourth proportional to 120,885.97, 181,365.18 and 48,801.77 is: 73,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,885.97 : 181,365.18 = 48,801.77 : x
  2. Step 2: Convert to fraction form
    120,885.97/181,365.18 = 48,801.77/x
  3. Step 3: Cross multiply
    120,885.97x = 181,365.18 × 48,801.77
  4. Step 4: Simplify right side
    120,885.97x = 8,850,940,880.57
  5. Step 5: Solve for x
    x = 8,850,940,880.57/120,885.97
  6. Step 6: Final answer
    x = 73,217.27

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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.