Home / 84,787.59-117,007.34-52,974.95

Finding the Fourth Proportional to 84,787.59, 117,007.34 and 52,974.95

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Solution

The fourth proportional to 84,787.59, 117,007.34 and 52,974.95 is: 73,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.59 : 117,007.34 = 52,974.95 : x
  2. Step 2: Convert to fraction form
    84,787.59/117,007.34 = 52,974.95/x
  3. Step 3: Cross multiply
    84,787.59x = 117,007.34 × 52,974.95
  4. Step 4: Simplify right side
    84,787.59x = 6,198,457,136.22
  5. Step 5: Solve for x
    x = 6,198,457,136.22/84,787.59
  6. Step 6: Final answer
    x = 73,105.71

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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.