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Finding the Fourth Proportional to 79,852, 110,238.96 and 48,028

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Solution

The fourth proportional to 79,852, 110,238.96 and 48,028 is: 66,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,852 : 110,238.96 = 48,028 : x
  2. Step 2: Convert to fraction form
    79,852/110,238.96 = 48,028/x
  3. Step 3: Cross multiply
    79,852x = 110,238.96 × 48,028
  4. Step 4: Simplify right side
    79,852x = 5,294,556,770.88
  5. Step 5: Solve for x
    x = 5,294,556,770.88/79,852
  6. Step 6: Final answer
    x = 66,304.62

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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.