Home / 79,354.32-109,511.28-43,546.61

Finding the Fourth Proportional to 79,354.32, 109,511.28 and 43,546.61

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Solution

The fourth proportional to 79,354.32, 109,511.28 and 43,546.61 is: 60,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.32 : 109,511.28 = 43,546.61 : x
  2. Step 2: Convert to fraction form
    79,354.32/109,511.28 = 43,546.61/x
  3. Step 3: Cross multiply
    79,354.32x = 109,511.28 × 43,546.61
  4. Step 4: Simplify right side
    79,354.32x = 4,768,844,453.20
  5. Step 5: Solve for x
    x = 4,768,844,453.20/79,354.32
  6. Step 6: Final answer
    x = 60,095.59

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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.