Home / 111,774.09-167,672.07-40,716.03

Finding the Fourth Proportional to 111,774.09, 167,672.07 and 40,716.03

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Solution

The fourth proportional to 111,774.09, 167,672.07 and 40,716.03 is: 61,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,774.09 : 167,672.07 = 40,716.03 : x
  2. Step 2: Convert to fraction form
    111,774.09/167,672.07 = 40,716.03/x
  3. Step 3: Cross multiply
    111,774.09x = 167,672.07 × 40,716.03
  4. Step 4: Simplify right side
    111,774.09x = 6,826,941,032.28
  5. Step 5: Solve for x
    x = 6,826,941,032.28/111,774.09
  6. Step 6: Final answer
    x = 61,078.03

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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.