Home / 89,519.55-123,539.57-49,235.91

Finding the Fourth Proportional to 89,519.55, 123,539.57 and 49,235.91

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Solution

The fourth proportional to 89,519.55, 123,539.57 and 49,235.91 is: 67,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.55 : 123,539.57 = 49,235.91 : x
  2. Step 2: Convert to fraction form
    89,519.55/123,539.57 = 49,235.91/x
  3. Step 3: Cross multiply
    89,519.55x = 123,539.57 × 49,235.91
  4. Step 4: Simplify right side
    89,519.55x = 6,082,583,273.05
  5. Step 5: Solve for x
    x = 6,082,583,273.05/89,519.55
  6. Step 6: Final answer
    x = 67,946.98

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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.