Home / 84,231.68-126,146.09-48,584.94

Finding the Fourth Proportional to 84,231.68, 126,146.09 and 48,584.94

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Solution

The fourth proportional to 84,231.68, 126,146.09 and 48,584.94 is: 72,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231.68 : 126,146.09 = 48,584.94 : x
  2. Step 2: Convert to fraction form
    84,231.68/126,146.09 = 48,584.94/x
  3. Step 3: Cross multiply
    84,231.68x = 126,146.09 × 48,584.94
  4. Step 4: Simplify right side
    84,231.68x = 6,128,799,970.96
  5. Step 5: Solve for x
    x = 6,128,799,970.96/84,231.68
  6. Step 6: Final answer
    x = 72,761.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.