Home / 84,787.62-117,006.99-50,815.83

Finding the Fourth Proportional to 84,787.62, 117,006.99 and 50,815.83

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Solution

The fourth proportional to 84,787.62, 117,006.99 and 50,815.83 is: 70,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.62 : 117,006.99 = 50,815.83 : x
  2. Step 2: Convert to fraction form
    84,787.62/117,006.99 = 50,815.83/x
  3. Step 3: Cross multiply
    84,787.62x = 117,006.99 × 50,815.83
  4. Step 4: Simplify right side
    84,787.62x = 5,945,807,312.65
  5. Step 5: Solve for x
    x = 5,945,807,312.65/84,787.62
  6. Step 6: Final answer
    x = 70,125.89

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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.