Home / 68,520.70-94,558.13-38,305.88

Finding the Fourth Proportional to 68,520.70, 94,558.13 and 38,305.88

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Solution

The fourth proportional to 68,520.70, 94,558.13 and 38,305.88 is: 52,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.70 : 94,558.13 = 38,305.88 : x
  2. Step 2: Convert to fraction form
    68,520.70/94,558.13 = 38,305.88/x
  3. Step 3: Cross multiply
    68,520.70x = 94,558.13 × 38,305.88
  4. Step 4: Simplify right side
    68,520.70x = 3,622,132,430.19
  5. Step 5: Solve for x
    x = 3,622,132,430.19/68,520.70
  6. Step 6: Final answer
    x = 52,861.87

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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.