Home / 113,605.91-170,390.38-53,634.26

Finding the Fourth Proportional to 113,605.91, 170,390.38 and 53,634.26

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Solution

The fourth proportional to 113,605.91, 170,390.38 and 53,634.26 is: 80,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.91 : 170,390.38 = 53,634.26 : x
  2. Step 2: Convert to fraction form
    113,605.91/170,390.38 = 53,634.26/x
  3. Step 3: Cross multiply
    113,605.91x = 170,390.38 × 53,634.26
  4. Step 4: Simplify right side
    113,605.91x = 9,138,761,942.42
  5. Step 5: Solve for x
    x = 9,138,761,942.42/113,605.91
  6. Step 6: Final answer
    x = 80,442.67

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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.