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Finding the Fourth Proportional to 92,680.88, 139,037.80 and 33,599.10

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Solution

The fourth proportional to 92,680.88, 139,037.80 and 33,599.10 is: 50,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,680.88 : 139,037.80 = 33,599.10 : x
  2. Step 2: Convert to fraction form
    92,680.88/139,037.80 = 33,599.10/x
  3. Step 3: Cross multiply
    92,680.88x = 139,037.80 × 33,599.10
  4. Step 4: Simplify right side
    92,680.88x = 4,671,544,945.98
  5. Step 5: Solve for x
    x = 4,671,544,945.98/92,680.88
  6. Step 6: Final answer
    x = 50,404.62

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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.