Home / 54,176.60-81,244.69-18,627.86

Finding the Fourth Proportional to 54,176.60, 81,244.69 and 18,627.86

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Solution

The fourth proportional to 54,176.60, 81,244.69 and 18,627.86 is: 27,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.60 : 81,244.69 = 18,627.86 : x
  2. Step 2: Convert to fraction form
    54,176.60/81,244.69 = 18,627.86/x
  3. Step 3: Cross multiply
    54,176.60x = 81,244.69 × 18,627.86
  4. Step 4: Simplify right side
    54,176.60x = 1,513,414,867.61
  5. Step 5: Solve for x
    x = 1,513,414,867.61/54,176.60
  6. Step 6: Final answer
    x = 27,934.84

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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.