Home / 55,329.60-76,353.92-30,179.04

Finding the Fourth Proportional to 55,329.60, 76,353.92 and 30,179.04

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Solution

The fourth proportional to 55,329.60, 76,353.92 and 30,179.04 is: 41,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.60 : 76,353.92 = 30,179.04 : x
  2. Step 2: Convert to fraction form
    55,329.60/76,353.92 = 30,179.04/x
  3. Step 3: Cross multiply
    55,329.60x = 76,353.92 × 30,179.04
  4. Step 4: Simplify right side
    55,329.60x = 2,304,288,005.84
  5. Step 5: Solve for x
    x = 2,304,288,005.84/55,329.60
  6. Step 6: Final answer
    x = 41,646.57

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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.