Home / 68,370.38-94,355.85-38,161.58

Finding the Fourth Proportional to 68,370.38, 94,355.85 and 38,161.58

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Solution

The fourth proportional to 68,370.38, 94,355.85 and 38,161.58 is: 52,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.38 : 94,355.85 = 38,161.58 : x
  2. Step 2: Convert to fraction form
    68,370.38/94,355.85 = 38,161.58/x
  3. Step 3: Cross multiply
    68,370.38x = 94,355.85 × 38,161.58
  4. Step 4: Simplify right side
    68,370.38x = 3,600,767,846.46
  5. Step 5: Solve for x
    x = 3,600,767,846.46/68,370.38
  6. Step 6: Final answer
    x = 52,665.61

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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.