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Finding the Fourth Proportional to 93,697.76, 140,512.98 and 27,124.12

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Solution

The fourth proportional to 93,697.76, 140,512.98 and 27,124.12 is: 40,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,697.76 : 140,512.98 = 27,124.12 : x
  2. Step 2: Convert to fraction form
    93,697.76/140,512.98 = 27,124.12/x
  3. Step 3: Cross multiply
    93,697.76x = 140,512.98 × 27,124.12
  4. Step 4: Simplify right side
    93,697.76x = 3,811,290,265.48
  5. Step 5: Solve for x
    x = 3,811,290,265.48/93,697.76
  6. Step 6: Final answer
    x = 40,676.43

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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.