Home / 89,836.70-134,495.85-54,844.70

Finding the Fourth Proportional to 89,836.70, 134,495.85 and 54,844.70

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Solution

The fourth proportional to 89,836.70, 134,495.85 and 54,844.70 is: 82,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.70 : 134,495.85 = 54,844.70 : x
  2. Step 2: Convert to fraction form
    89,836.70/134,495.85 = 54,844.70/x
  3. Step 3: Cross multiply
    89,836.70x = 134,495.85 × 54,844.70
  4. Step 4: Simplify right side
    89,836.70x = 7,376,384,544.50
  5. Step 5: Solve for x
    x = 7,376,384,544.50/89,836.70
  6. Step 6: Final answer
    x = 82,108.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.