Home / 66,725.10-100,092.96-19,340.91

Finding the Fourth Proportional to 66,725.10, 100,092.96 and 19,340.91

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Solution

The fourth proportional to 66,725.10, 100,092.96 and 19,340.91 is: 29,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.10 : 100,092.96 = 19,340.91 : x
  2. Step 2: Convert to fraction form
    66,725.10/100,092.96 = 19,340.91/x
  3. Step 3: Cross multiply
    66,725.10x = 100,092.96 × 19,340.91
  4. Step 4: Simplify right side
    66,725.10x = 1,935,888,930.99
  5. Step 5: Solve for x
    x = 1,935,888,930.99/66,725.10
  6. Step 6: Final answer
    x = 29,012.90

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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.