Home / 89,278.57-123,205.37-48,994.95

Finding the Fourth Proportional to 89,278.57, 123,205.37 and 48,994.95

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Solution

The fourth proportional to 89,278.57, 123,205.37 and 48,994.95 is: 67,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.57 : 123,205.37 = 48,994.95 : x
  2. Step 2: Convert to fraction form
    89,278.57/123,205.37 = 48,994.95/x
  3. Step 3: Cross multiply
    89,278.57x = 123,205.37 × 48,994.95
  4. Step 4: Simplify right side
    89,278.57x = 6,036,440,942.88
  5. Step 5: Solve for x
    x = 6,036,440,942.88/89,278.57
  6. Step 6: Final answer
    x = 67,613.55

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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.