Home / 89,951.49-124,134.65-49,662.85

Finding the Fourth Proportional to 89,951.49, 124,134.65 and 49,662.85

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Solution

The fourth proportional to 89,951.49, 124,134.65 and 49,662.85 is: 68,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.49 : 124,134.65 = 49,662.85 : x
  2. Step 2: Convert to fraction form
    89,951.49/124,134.65 = 49,662.85/x
  3. Step 3: Cross multiply
    89,951.49x = 124,134.65 × 49,662.85
  4. Step 4: Simplify right side
    89,951.49x = 6,164,880,153.64
  5. Step 5: Solve for x
    x = 6,164,880,153.64/89,951.49
  6. Step 6: Final answer
    x = 68,535.61

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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.