Home / 110,743.74-166,109.79-31,854.87

Finding the Fourth Proportional to 110,743.74, 166,109.79 and 31,854.87

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Solution

The fourth proportional to 110,743.74, 166,109.79 and 31,854.87 is: 47,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,743.74 : 166,109.79 = 31,854.87 : x
  2. Step 2: Convert to fraction form
    110,743.74/166,109.79 = 31,854.87/x
  3. Step 3: Cross multiply
    110,743.74x = 166,109.79 × 31,854.87
  4. Step 4: Simplify right side
    110,743.74x = 5,291,405,766.18
  5. Step 5: Solve for x
    x = 5,291,405,766.18/110,743.74
  6. Step 6: Final answer
    x = 47,780.63

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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.