Home / 73,132.07-109,676.36-31,011.53

Finding the Fourth Proportional to 73,132.07, 109,676.36 and 31,011.53

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Solution

The fourth proportional to 73,132.07, 109,676.36 and 31,011.53 is: 46,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,132.07 : 109,676.36 = 31,011.53 : x
  2. Step 2: Convert to fraction form
    73,132.07/109,676.36 = 31,011.53/x
  3. Step 3: Cross multiply
    73,132.07x = 109,676.36 × 31,011.53
  4. Step 4: Simplify right side
    73,132.07x = 3,401,231,257.58
  5. Step 5: Solve for x
    x = 3,401,231,257.58/73,132.07
  6. Step 6: Final answer
    x = 46,508.07

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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.