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Finding the Fourth Proportional to 79,841.30, 110,178.63 and 44,031.30

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Solution

The fourth proportional to 79,841.30, 110,178.63 and 44,031.30 is: 60,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.30 : 110,178.63 = 44,031.30 : x
  2. Step 2: Convert to fraction form
    79,841.30/110,178.63 = 44,031.30/x
  3. Step 3: Cross multiply
    79,841.30x = 110,178.63 × 44,031.30
  4. Step 4: Simplify right side
    79,841.30x = 4,851,307,897.95
  5. Step 5: Solve for x
    x = 4,851,307,897.95/79,841.30
  6. Step 6: Final answer
    x = 60,761.89

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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.