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Finding the Fourth Proportional to 64,064.56, 88,408.92 and 35,776.96

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Solution

The fourth proportional to 64,064.56, 88,408.92 and 35,776.96 is: 49,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,064.56 : 88,408.92 = 35,776.96 : x
  2. Step 2: Convert to fraction form
    64,064.56/88,408.92 = 35,776.96/x
  3. Step 3: Cross multiply
    64,064.56x = 88,408.92 × 35,776.96
  4. Step 4: Simplify right side
    64,064.56x = 3,163,002,394.48
  5. Step 5: Solve for x
    x = 3,163,002,394.48/64,064.56
  6. Step 6: Final answer
    x = 49,372.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.