Home / 89,774.46-123,887.22-49,491.96

Finding the Fourth Proportional to 89,774.46, 123,887.22 and 49,491.96

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Solution

The fourth proportional to 89,774.46, 123,887.22 and 49,491.96 is: 68,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,774.46 : 123,887.22 = 49,491.96 : x
  2. Step 2: Convert to fraction form
    89,774.46/123,887.22 = 49,491.96/x
  3. Step 3: Cross multiply
    89,774.46x = 123,887.22 × 49,491.96
  4. Step 4: Simplify right side
    89,774.46x = 6,131,421,336.75
  5. Step 5: Solve for x
    x = 6,131,421,336.75/89,774.46
  6. Step 6: Final answer
    x = 68,298.06

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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.