Home / 68,845.74-94,999.38-38,624.76

Finding the Fourth Proportional to 68,845.74, 94,999.38 and 38,624.76

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Solution

The fourth proportional to 68,845.74, 94,999.38 and 38,624.76 is: 53,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.74 : 94,999.38 = 38,624.76 : x
  2. Step 2: Convert to fraction form
    68,845.74/94,999.38 = 38,624.76/x
  3. Step 3: Cross multiply
    68,845.74x = 94,999.38 × 38,624.76
  4. Step 4: Simplify right side
    68,845.74x = 3,669,328,252.65
  5. Step 5: Solve for x
    x = 3,669,328,252.65/68,845.74
  6. Step 6: Final answer
    x = 53,297.83

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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.