Home / 113,906.12-170,863.90-39,077.71

Finding the Fourth Proportional to 113,906.12, 170,863.90 and 39,077.71

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Solution

The fourth proportional to 113,906.12, 170,863.90 and 39,077.71 is: 58,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,906.12 : 170,863.90 = 39,077.71 : x
  2. Step 2: Convert to fraction form
    113,906.12/170,863.90 = 39,077.71/x
  3. Step 3: Cross multiply
    113,906.12x = 170,863.90 × 39,077.71
  4. Step 4: Simplify right side
    113,906.12x = 6,676,969,408.81
  5. Step 5: Solve for x
    x = 6,676,969,408.81/113,906.12
  6. Step 6: Final answer
    x = 58,618.18

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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.