Home / 55,486.12-76,571.22-30,336.04

Finding the Fourth Proportional to 55,486.12, 76,571.22 and 30,336.04

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Solution

The fourth proportional to 55,486.12, 76,571.22 and 30,336.04 is: 41,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.12 : 76,571.22 = 30,336.04 : x
  2. Step 2: Convert to fraction form
    55,486.12/76,571.22 = 30,336.04/x
  3. Step 3: Cross multiply
    55,486.12x = 76,571.22 × 30,336.04
  4. Step 4: Simplify right side
    55,486.12x = 2,322,867,592.77
  5. Step 5: Solve for x
    x = 2,322,867,592.77/55,486.12
  6. Step 6: Final answer
    x = 41,863.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.