Home / 68,270.85-94,215.60-38,054.61

Finding the Fourth Proportional to 68,270.85, 94,215.60 and 38,054.61

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Solution

The fourth proportional to 68,270.85, 94,215.60 and 38,054.61 is: 52,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,270.85 : 94,215.60 = 38,054.61 : x
  2. Step 2: Convert to fraction form
    68,270.85/94,215.60 = 38,054.61/x
  3. Step 3: Cross multiply
    68,270.85x = 94,215.60 × 38,054.61
  4. Step 4: Simplify right side
    68,270.85x = 3,585,337,913.92
  5. Step 5: Solve for x
    x = 3,585,337,913.92/68,270.85
  6. Step 6: Final answer
    x = 52,516.38

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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.