Home / 109,716.88-164,450.86-50,430.04

Finding the Fourth Proportional to 109,716.88, 164,450.86 and 50,430.04

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Solution

The fourth proportional to 109,716.88, 164,450.86 and 50,430.04 is: 75,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.88 : 164,450.86 = 50,430.04 : x
  2. Step 2: Convert to fraction form
    109,716.88/164,450.86 = 50,430.04/x
  3. Step 3: Cross multiply
    109,716.88x = 164,450.86 × 50,430.04
  4. Step 4: Simplify right side
    109,716.88x = 8,293,263,447.83
  5. Step 5: Solve for x
    x = 8,293,263,447.83/109,716.88
  6. Step 6: Final answer
    x = 75,587.85

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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.