Home / 111,739.94-167,715.25-40,731.22

Finding the Fourth Proportional to 111,739.94, 167,715.25 and 40,731.22

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Solution

The fourth proportional to 111,739.94, 167,715.25 and 40,731.22 is: 61,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,739.94 : 167,715.25 = 40,731.22 : x
  2. Step 2: Convert to fraction form
    111,739.94/167,715.25 = 40,731.22/x
  3. Step 3: Cross multiply
    111,739.94x = 167,715.25 × 40,731.22
  4. Step 4: Simplify right side
    111,739.94x = 6,831,246,223.99
  5. Step 5: Solve for x
    x = 6,831,246,223.99/111,739.94
  6. Step 6: Final answer
    x = 61,135.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.