Home / 75,836.22-113,705.72-31,493.58

Finding the Fourth Proportional to 75,836.22, 113,705.72 and 31,493.58

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Solution

The fourth proportional to 75,836.22, 113,705.72 and 31,493.58 is: 47,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836.22 : 113,705.72 = 31,493.58 : x
  2. Step 2: Convert to fraction form
    75,836.22/113,705.72 = 31,493.58/x
  3. Step 3: Cross multiply
    75,836.22x = 113,705.72 × 31,493.58
  4. Step 4: Simplify right side
    75,836.22x = 3,581,000,189.28
  5. Step 5: Solve for x
    x = 3,581,000,189.28/75,836.22
  6. Step 6: Final answer
    x = 47,220.18

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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.