Home / 64,290.72-96,433.20-17,543.44

Finding the Fourth Proportional to 64,290.72, 96,433.20 and 17,543.44

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Solution

The fourth proportional to 64,290.72, 96,433.20 and 17,543.44 is: 26,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290.72 : 96,433.20 = 17,543.44 : x
  2. Step 2: Convert to fraction form
    64,290.72/96,433.20 = 17,543.44/x
  3. Step 3: Cross multiply
    64,290.72x = 96,433.20 × 17,543.44
  4. Step 4: Simplify right side
    64,290.72x = 1,691,770,058.21
  5. Step 5: Solve for x
    x = 1,691,770,058.21/64,290.72
  6. Step 6: Final answer
    x = 26,314.37

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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.