Home / 114,091.30-171,185.55-72,003.70

Finding the Fourth Proportional to 114,091.30, 171,185.55 and 72,003.70

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Solution

The fourth proportional to 114,091.30, 171,185.55 and 72,003.70 is: 108,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,091.30 : 171,185.55 = 72,003.70 : x
  2. Step 2: Convert to fraction form
    114,091.30/171,185.55 = 72,003.70/x
  3. Step 3: Cross multiply
    114,091.30x = 171,185.55 × 72,003.70
  4. Step 4: Simplify right side
    114,091.30x = 12,325,992,986.54
  5. Step 5: Solve for x
    x = 12,325,992,986.54/114,091.30
  6. Step 6: Final answer
    x = 108,036.22

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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.