Home / 84,600.50-126,896.06-28,434.79

Finding the Fourth Proportional to 84,600.50, 126,896.06 and 28,434.79

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Solution

The fourth proportional to 84,600.50, 126,896.06 and 28,434.79 is: 42,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,600.50 : 126,896.06 = 28,434.79 : x
  2. Step 2: Convert to fraction form
    84,600.50/126,896.06 = 28,434.79/x
  3. Step 3: Cross multiply
    84,600.50x = 126,896.06 × 28,434.79
  4. Step 4: Simplify right side
    84,600.50x = 3,608,262,817.93
  5. Step 5: Solve for x
    x = 3,608,262,817.93/84,600.50
  6. Step 6: Final answer
    x = 42,650.61

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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.