Home / 84,299.45-116,333.15-48,488.54

Finding the Fourth Proportional to 84,299.45, 116,333.15 and 48,488.54

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Solution

The fourth proportional to 84,299.45, 116,333.15 and 48,488.54 is: 66,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,299.45 : 116,333.15 = 48,488.54 : x
  2. Step 2: Convert to fraction form
    84,299.45/116,333.15 = 48,488.54/x
  3. Step 3: Cross multiply
    84,299.45x = 116,333.15 × 48,488.54
  4. Step 4: Simplify right side
    84,299.45x = 5,640,823,772.99
  5. Step 5: Solve for x
    x = 5,640,823,772.99/84,299.45
  6. Step 6: Final answer
    x = 66,914.13

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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.