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Finding the Fourth Proportional to 64,235.88, 96,328.80 and 22,107.96

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Solution

The fourth proportional to 64,235.88, 96,328.80 and 22,107.96 is: 33,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,235.88 : 96,328.80 = 22,107.96 : x
  2. Step 2: Convert to fraction form
    64,235.88/96,328.80 = 22,107.96/x
  3. Step 3: Cross multiply
    64,235.88x = 96,328.80 × 22,107.96
  4. Step 4: Simplify right side
    64,235.88x = 2,129,633,257.25
  5. Step 5: Solve for x
    x = 2,129,633,257.25/64,235.88
  6. Step 6: Final answer
    x = 33,153.33

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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.