Home / 68,234.18-94,161.75-38,019.38

Finding the Fourth Proportional to 68,234.18, 94,161.75 and 38,019.38

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Solution

The fourth proportional to 68,234.18, 94,161.75 and 38,019.38 is: 52,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.18 : 94,161.75 = 38,019.38 : x
  2. Step 2: Convert to fraction form
    68,234.18/94,161.75 = 38,019.38/x
  3. Step 3: Cross multiply
    68,234.18x = 94,161.75 × 38,019.38
  4. Step 4: Simplify right side
    68,234.18x = 3,579,971,354.72
  5. Step 5: Solve for x
    x = 3,579,971,354.72/68,234.18
  6. Step 6: Final answer
    x = 52,465.95

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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.