Home / 68,795.74-94,947.86-38,175.72

Finding the Fourth Proportional to 68,795.74, 94,947.86 and 38,175.72

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Solution

The fourth proportional to 68,795.74, 94,947.86 and 38,175.72 is: 52,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,795.74 : 94,947.86 = 38,175.72 : x
  2. Step 2: Convert to fraction form
    68,795.74/94,947.86 = 38,175.72/x
  3. Step 3: Cross multiply
    68,795.74x = 94,947.86 × 38,175.72
  4. Step 4: Simplify right side
    68,795.74x = 3,624,702,917.96
  5. Step 5: Solve for x
    x = 3,624,702,917.96/68,795.74
  6. Step 6: Final answer
    x = 52,687.90

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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.