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Finding the Fourth Proportional to 60,063.26, 82,904.61 and 39,660.27

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Solution

The fourth proportional to 60,063.26, 82,904.61 and 39,660.27 is: 54,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,063.26 : 82,904.61 = 39,660.27 : x
  2. Step 2: Convert to fraction form
    60,063.26/82,904.61 = 39,660.27/x
  3. Step 3: Cross multiply
    60,063.26x = 82,904.61 × 39,660.27
  4. Step 4: Simplify right side
    60,063.26x = 3,288,019,216.84
  5. Step 5: Solve for x
    x = 3,288,019,216.84/60,063.26
  6. Step 6: Final answer
    x = 54,742.61

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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.