Home / 68,285.45-94,233.58-39,610.91

Finding the Fourth Proportional to 68,285.45, 94,233.58 and 39,610.91

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Solution

The fourth proportional to 68,285.45, 94,233.58 and 39,610.91 is: 54,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285.45 : 94,233.58 = 39,610.91 : x
  2. Step 2: Convert to fraction form
    68,285.45/94,233.58 = 39,610.91/x
  3. Step 3: Cross multiply
    68,285.45x = 94,233.58 × 39,610.91
  4. Step 4: Simplify right side
    68,285.45x = 3,732,677,286.16
  5. Step 5: Solve for x
    x = 3,732,677,286.16/68,285.45
  6. Step 6: Final answer
    x = 54,662.85

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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.