Home / 111,659.15-167,485.95-27,418.61

Finding the Fourth Proportional to 111,659.15, 167,485.95 and 27,418.61

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Solution

The fourth proportional to 111,659.15, 167,485.95 and 27,418.61 is: 41,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,659.15 : 167,485.95 = 27,418.61 : x
  2. Step 2: Convert to fraction form
    111,659.15/167,485.95 = 27,418.61/x
  3. Step 3: Cross multiply
    111,659.15x = 167,485.95 × 27,418.61
  4. Step 4: Simplify right side
    111,659.15x = 4,592,231,943.53
  5. Step 5: Solve for x
    x = 4,592,231,943.53/111,659.15
  6. Step 6: Final answer
    x = 41,127.23

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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.