Home / 73,131.66-109,698.06-23,211.90

Finding the Fourth Proportional to 73,131.66, 109,698.06 and 23,211.90

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Solution

The fourth proportional to 73,131.66, 109,698.06 and 23,211.90 is: 34,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,131.66 : 109,698.06 = 23,211.90 : x
  2. Step 2: Convert to fraction form
    73,131.66/109,698.06 = 23,211.90/x
  3. Step 3: Cross multiply
    73,131.66x = 109,698.06 × 23,211.90
  4. Step 4: Simplify right side
    73,131.66x = 2,546,300,398.91
  5. Step 5: Solve for x
    x = 2,546,300,398.91/73,131.66
  6. Step 6: Final answer
    x = 34,818.03

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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.