Home / 89,777.27-123,891.79-48,941.39

Finding the Fourth Proportional to 89,777.27, 123,891.79 and 48,941.39

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Solution

The fourth proportional to 89,777.27, 123,891.79 and 48,941.39 is: 67,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.27 : 123,891.79 = 48,941.39 : x
  2. Step 2: Convert to fraction form
    89,777.27/123,891.79 = 48,941.39/x
  3. Step 3: Cross multiply
    89,777.27x = 123,891.79 × 48,941.39
  4. Step 4: Simplify right side
    89,777.27x = 6,063,436,412.19
  5. Step 5: Solve for x
    x = 6,063,436,412.19/89,777.27
  6. Step 6: Final answer
    x = 67,538.66

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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.