Home / 212,661.42-318,992.13-62,890.04

Finding the Fourth Proportional to 212,661.42, 318,992.13 and 62,890.04

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Solution

The fourth proportional to 212,661.42, 318,992.13 and 62,890.04 is: 94,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,661.42 : 318,992.13 = 62,890.04 : x
  2. Step 2: Convert to fraction form
    212,661.42/318,992.13 = 62,890.04/x
  3. Step 3: Cross multiply
    212,661.42x = 318,992.13 × 62,890.04
  4. Step 4: Simplify right side
    212,661.42x = 20,061,427,815.39
  5. Step 5: Solve for x
    x = 20,061,427,815.39/212,661.42
  6. Step 6: Final answer
    x = 94,335.06

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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.