Home / 109,067.15-163,604.37-30,174.77

Finding the Fourth Proportional to 109,067.15, 163,604.37 and 30,174.77

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Solution

The fourth proportional to 109,067.15, 163,604.37 and 30,174.77 is: 45,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,067.15 : 163,604.37 = 30,174.77 : x
  2. Step 2: Convert to fraction form
    109,067.15/163,604.37 = 30,174.77/x
  3. Step 3: Cross multiply
    109,067.15x = 163,604.37 × 30,174.77
  4. Step 4: Simplify right side
    109,067.15x = 4,936,724,235.74
  5. Step 5: Solve for x
    x = 4,936,724,235.74/109,067.15
  6. Step 6: Final answer
    x = 45,263.16

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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.