Home / 111,592.20-167,398.14-31,631.25

Finding the Fourth Proportional to 111,592.20, 167,398.14 and 31,631.25

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Solution

The fourth proportional to 111,592.20, 167,398.14 and 31,631.25 is: 47,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,592.20 : 167,398.14 = 31,631.25 : x
  2. Step 2: Convert to fraction form
    111,592.20/167,398.14 = 31,631.25/x
  3. Step 3: Cross multiply
    111,592.20x = 167,398.14 × 31,631.25
  4. Step 4: Simplify right side
    111,592.20x = 5,295,012,415.88
  5. Step 5: Solve for x
    x = 5,295,012,415.88/111,592.20
  6. Step 6: Final answer
    x = 47,449.66

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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.