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Finding the Fourth Proportional to 64,525.85, 96,633.03 and 38,806.22

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Solution

The fourth proportional to 64,525.85, 96,633.03 and 38,806.22 is: 58,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,525.85 : 96,633.03 = 38,806.22 : x
  2. Step 2: Convert to fraction form
    64,525.85/96,633.03 = 38,806.22/x
  3. Step 3: Cross multiply
    64,525.85x = 96,633.03 × 38,806.22
  4. Step 4: Simplify right side
    64,525.85x = 3,749,962,138.28
  5. Step 5: Solve for x
    x = 3,749,962,138.28/64,525.85
  6. Step 6: Final answer
    x = 58,115.66

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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.