Home / 73,142.19-100,940.58-41,314.05

Finding the Fourth Proportional to 73,142.19, 100,940.58 and 41,314.05

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Solution

The fourth proportional to 73,142.19, 100,940.58 and 41,314.05 is: 57,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,142.19 : 100,940.58 = 41,314.05 : x
  2. Step 2: Convert to fraction form
    73,142.19/100,940.58 = 41,314.05/x
  3. Step 3: Cross multiply
    73,142.19x = 100,940.58 × 41,314.05
  4. Step 4: Simplify right side
    73,142.19x = 4,170,264,169.15
  5. Step 5: Solve for x
    x = 4,170,264,169.15/73,142.19
  6. Step 6: Final answer
    x = 57,015.85

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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.