Home / 79,134.34-109,201.09-43,317.43

Finding the Fourth Proportional to 79,134.34, 109,201.09 and 43,317.43

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Solution

The fourth proportional to 79,134.34, 109,201.09 and 43,317.43 is: 59,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.34 : 109,201.09 = 43,317.43 : x
  2. Step 2: Convert to fraction form
    79,134.34/109,201.09 = 43,317.43/x
  3. Step 3: Cross multiply
    79,134.34x = 109,201.09 × 43,317.43
  4. Step 4: Simplify right side
    79,134.34x = 4,730,310,764.35
  5. Step 5: Solve for x
    x = 4,730,310,764.35/79,134.34
  6. Step 6: Final answer
    x = 59,775.70

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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.