Home / 74,092.80-102,247.26-40,100.58

Finding the Fourth Proportional to 74,092.80, 102,247.26 and 40,100.58

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Solution

The fourth proportional to 74,092.80, 102,247.26 and 40,100.58 is: 55,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.80 : 102,247.26 = 40,100.58 : x
  2. Step 2: Convert to fraction form
    74,092.80/102,247.26 = 40,100.58/x
  3. Step 3: Cross multiply
    74,092.80x = 102,247.26 × 40,100.58
  4. Step 4: Simplify right side
    74,092.80x = 4,100,174,429.41
  5. Step 5: Solve for x
    x = 4,100,174,429.41/74,092.80
  6. Step 6: Final answer
    x = 55,338.37

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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.