Home / 74,504.22-102,814.26-40,513.38

Finding the Fourth Proportional to 74,504.22, 102,814.26 and 40,513.38

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Solution

The fourth proportional to 74,504.22, 102,814.26 and 40,513.38 is: 55,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,504.22 : 102,814.26 = 40,513.38 : x
  2. Step 2: Convert to fraction form
    74,504.22/102,814.26 = 40,513.38/x
  3. Step 3: Cross multiply
    74,504.22x = 102,814.26 × 40,513.38
  4. Step 4: Simplify right side
    74,504.22x = 4,165,353,184.80
  5. Step 5: Solve for x
    x = 4,165,353,184.80/74,504.22
  6. Step 6: Final answer
    x = 55,907.61

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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.