Home / 212,391.12-318,593.58-62,618.85

Finding the Fourth Proportional to 212,391.12, 318,593.58 and 62,618.85

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Solution

The fourth proportional to 212,391.12, 318,593.58 and 62,618.85 is: 93,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,391.12 : 318,593.58 = 62,618.85 : x
  2. Step 2: Convert to fraction form
    212,391.12/318,593.58 = 62,618.85/x
  3. Step 3: Cross multiply
    212,391.12x = 318,593.58 × 62,618.85
  4. Step 4: Simplify right side
    212,391.12x = 19,949,963,596.98
  5. Step 5: Solve for x
    x = 19,949,963,596.98/212,391.12
  6. Step 6: Final answer
    x = 93,930.31

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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.