Home / 74,273.22-102,494.19-40,281.09

Finding the Fourth Proportional to 74,273.22, 102,494.19 and 40,281.09

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Solution

The fourth proportional to 74,273.22, 102,494.19 and 40,281.09 is: 55,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.22 : 102,494.19 = 40,281.09 : x
  2. Step 2: Convert to fraction form
    74,273.22/102,494.19 = 40,281.09/x
  3. Step 3: Cross multiply
    74,273.22x = 102,494.19 × 40,281.09
  4. Step 4: Simplify right side
    74,273.22x = 4,128,577,691.87
  5. Step 5: Solve for x
    x = 4,128,577,691.87/74,273.22
  6. Step 6: Final answer
    x = 55,586.36

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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.