Home / 89,519.94-123,540.62-49,236.74

Finding the Fourth Proportional to 89,519.94, 123,540.62 and 49,236.74

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Solution

The fourth proportional to 89,519.94, 123,540.62 and 49,236.74 is: 67,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.94 : 123,540.62 = 49,236.74 : x
  2. Step 2: Convert to fraction form
    89,519.94/123,540.62 = 49,236.74/x
  3. Step 3: Cross multiply
    89,519.94x = 123,540.62 × 49,236.74
  4. Step 4: Simplify right side
    89,519.94x = 6,082,737,386.38
  5. Step 5: Solve for x
    x = 6,082,737,386.38/89,519.94
  6. Step 6: Final answer
    x = 67,948.41

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1.5x scale

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.