Home / 109,625.20-164,441.75-56,302.80

Finding the Fourth Proportional to 109,625.20, 164,441.75 and 56,302.80

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Solution

The fourth proportional to 109,625.20, 164,441.75 and 56,302.80 is: 84,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,625.20 : 164,441.75 = 56,302.80 : x
  2. Step 2: Convert to fraction form
    109,625.20/164,441.75 = 56,302.80/x
  3. Step 3: Cross multiply
    109,625.20x = 164,441.75 × 56,302.80
  4. Step 4: Simplify right side
    109,625.20x = 9,258,530,063.73
  5. Step 5: Solve for x
    x = 9,258,530,063.73/109,625.20
  6. Step 6: Final answer
    x = 84,456.22

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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.