Home / 89,489.58-123,495.71-49,204.04

Finding the Fourth Proportional to 89,489.58, 123,495.71 and 49,204.04

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Solution

The fourth proportional to 89,489.58, 123,495.71 and 49,204.04 is: 67,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489.58 : 123,495.71 = 49,204.04 : x
  2. Step 2: Convert to fraction form
    89,489.58/123,495.71 = 49,204.04/x
  3. Step 3: Cross multiply
    89,489.58x = 123,495.71 × 49,204.04
  4. Step 4: Simplify right side
    89,489.58x = 6,076,486,991.17
  5. Step 5: Solve for x
    x = 6,076,486,991.17/89,489.58
  6. Step 6: Final answer
    x = 67,901.61

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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.