Home / 74,112.04-102,273.60-40,578.04

Finding the Fourth Proportional to 74,112.04, 102,273.60 and 40,578.04

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Solution

The fourth proportional to 74,112.04, 102,273.60 and 40,578.04 is: 55,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112.04 : 102,273.60 = 40,578.04 : x
  2. Step 2: Convert to fraction form
    74,112.04/102,273.60 = 40,578.04/x
  3. Step 3: Cross multiply
    74,112.04x = 102,273.60 × 40,578.04
  4. Step 4: Simplify right side
    74,112.04x = 4,150,062,231.74
  5. Step 5: Solve for x
    x = 4,150,062,231.74/74,112.04
  6. Step 6: Final answer
    x = 55,997.14

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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.