Home / 68,391.05-94,379.90-38,175.83

Finding the Fourth Proportional to 68,391.05, 94,379.90 and 38,175.83

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Solution

The fourth proportional to 68,391.05, 94,379.90 and 38,175.83 is: 52,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,391.05 : 94,379.90 = 38,175.83 : x
  2. Step 2: Convert to fraction form
    68,391.05/94,379.90 = 38,175.83/x
  3. Step 3: Cross multiply
    68,391.05x = 94,379.90 × 38,175.83
  4. Step 4: Simplify right side
    68,391.05x = 3,603,030,355.04
  5. Step 5: Solve for x
    x = 3,603,030,355.04/68,391.05
  6. Step 6: Final answer
    x = 52,682.78

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1.5x scale

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.