Home / 64,791.48-97,215.28-31,540.44

Finding the Fourth Proportional to 64,791.48, 97,215.28 and 31,540.44

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Solution

The fourth proportional to 64,791.48, 97,215.28 and 31,540.44 is: 47,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.48 : 97,215.28 = 31,540.44 : x
  2. Step 2: Convert to fraction form
    64,791.48/97,215.28 = 31,540.44/x
  3. Step 3: Cross multiply
    64,791.48x = 97,215.28 × 31,540.44
  4. Step 4: Simplify right side
    64,791.48x = 3,066,212,705.92
  5. Step 5: Solve for x
    x = 3,066,212,705.92/64,791.48
  6. Step 6: Final answer
    x = 47,324.32

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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.