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Finding the Fourth Proportional to 69,932.66, 104,924.91 and 32,512.82

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Solution

The fourth proportional to 69,932.66, 104,924.91 and 32,512.82 is: 48,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,932.66 : 104,924.91 = 32,512.82 : x
  2. Step 2: Convert to fraction form
    69,932.66/104,924.91 = 32,512.82/x
  3. Step 3: Cross multiply
    69,932.66x = 104,924.91 × 32,512.82
  4. Step 4: Simplify right side
    69,932.66x = 3,411,404,712.35
  5. Step 5: Solve for x
    x = 3,411,404,712.35/69,932.66
  6. Step 6: Final answer
    x = 48,781.28

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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.