Home / 111,742.03-167,718.38-40,733.30

Finding the Fourth Proportional to 111,742.03, 167,718.38 and 40,733.30

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Solution

The fourth proportional to 111,742.03, 167,718.38 and 40,733.30 is: 61,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742.03 : 167,718.38 = 40,733.30 : x
  2. Step 2: Convert to fraction form
    111,742.03/167,718.38 = 40,733.30/x
  3. Step 3: Cross multiply
    111,742.03x = 167,718.38 × 40,733.30
  4. Step 4: Simplify right side
    111,742.03x = 6,831,722,589.39
  5. Step 5: Solve for x
    x = 6,831,722,589.39/111,742.03
  6. Step 6: Final answer
    x = 61,138.34

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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.