Home / 54,462.67-81,707.87-31,992.35

Finding the Fourth Proportional to 54,462.67, 81,707.87 and 31,992.35

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Solution

The fourth proportional to 54,462.67, 81,707.87 and 31,992.35 is: 47,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.67 : 81,707.87 = 31,992.35 : x
  2. Step 2: Convert to fraction form
    54,462.67/81,707.87 = 31,992.35/x
  3. Step 3: Cross multiply
    54,462.67x = 81,707.87 × 31,992.35
  4. Step 4: Simplify right side
    54,462.67x = 2,614,026,819.10
  5. Step 5: Solve for x
    x = 2,614,026,819.10/54,462.67
  6. Step 6: Final answer
    x = 47,996.67

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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.