Home / 80,737.32-120,930.94-39,097

Finding the Fourth Proportional to 80,737.32, 120,930.94 and 39,097

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Solution

The fourth proportional to 80,737.32, 120,930.94 and 39,097 is: 58,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,737.32 : 120,930.94 = 39,097 : x
  2. Step 2: Convert to fraction form
    80,737.32/120,930.94 = 39,097/x
  3. Step 3: Cross multiply
    80,737.32x = 120,930.94 × 39,097
  4. Step 4: Simplify right side
    80,737.32x = 4,728,036,961.18
  5. Step 5: Solve for x
    x = 4,728,036,961.18/80,737.32
  6. Step 6: Final answer
    x = 58,560.74

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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.