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Finding the Fourth Proportional to 86,227, 119,000.10 and 48,504.04

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Solution

The fourth proportional to 86,227, 119,000.10 and 48,504.04 is: 66,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,227 : 119,000.10 = 48,504.04 : x
  2. Step 2: Convert to fraction form
    86,227/119,000.10 = 48,504.04/x
  3. Step 3: Cross multiply
    86,227x = 119,000.10 × 48,504.04
  4. Step 4: Simplify right side
    86,227x = 5,771,985,610.40
  5. Step 5: Solve for x
    x = 5,771,985,610.40/86,227
  6. Step 6: Final answer
    x = 66,939.42

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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.