Home / 75,103.61-112,652.37-27,698.15

Finding the Fourth Proportional to 75,103.61, 112,652.37 and 27,698.15

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Solution

The fourth proportional to 75,103.61, 112,652.37 and 27,698.15 is: 41,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.61 : 112,652.37 = 27,698.15 : x
  2. Step 2: Convert to fraction form
    75,103.61/112,652.37 = 27,698.15/x
  3. Step 3: Cross multiply
    75,103.61x = 112,652.37 × 27,698.15
  4. Step 4: Simplify right side
    75,103.61x = 3,120,262,523.75
  5. Step 5: Solve for x
    x = 3,120,262,523.75/75,103.61
  6. Step 6: Final answer
    x = 41,546.11

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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.