Home / 74,786.90-112,147.61-28,006.97

Finding the Fourth Proportional to 74,786.90, 112,147.61 and 28,006.97

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Solution

The fourth proportional to 74,786.90, 112,147.61 and 28,006.97 is: 41,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.90 : 112,147.61 = 28,006.97 : x
  2. Step 2: Convert to fraction form
    74,786.90/112,147.61 = 28,006.97/x
  3. Step 3: Cross multiply
    74,786.90x = 112,147.61 × 28,006.97
  4. Step 4: Simplify right side
    74,786.90x = 3,140,914,048.07
  5. Step 5: Solve for x
    x = 3,140,914,048.07/74,786.90
  6. Step 6: Final answer
    x = 41,998.19

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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.