Home / 74,090.26-102,244.68-40,098.77

Finding the Fourth Proportional to 74,090.26, 102,244.68 and 40,098.77

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Solution

The fourth proportional to 74,090.26, 102,244.68 and 40,098.77 is: 55,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.26 : 102,244.68 = 40,098.77 : x
  2. Step 2: Convert to fraction form
    74,090.26/102,244.68 = 40,098.77/x
  3. Step 3: Cross multiply
    74,090.26x = 102,244.68 × 40,098.77
  4. Step 4: Simplify right side
    74,090.26x = 4,099,886,066.80
  5. Step 5: Solve for x
    x = 4,099,886,066.80/74,090.26
  6. Step 6: Final answer
    x = 55,336.37

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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.