Home / 111,743.88-167,721.14-40,735.17

Finding the Fourth Proportional to 111,743.88, 167,721.14 and 40,735.17

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Solution

The fourth proportional to 111,743.88, 167,721.14 and 40,735.17 is: 61,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,743.88 : 167,721.14 = 40,735.17 : x
  2. Step 2: Convert to fraction form
    111,743.88/167,721.14 = 40,735.17/x
  3. Step 3: Cross multiply
    111,743.88x = 167,721.14 × 40,735.17
  4. Step 4: Simplify right side
    111,743.88x = 6,832,149,728.53
  5. Step 5: Solve for x
    x = 6,832,149,728.53/111,743.88
  6. Step 6: Final answer
    x = 61,141.16

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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.