Home / 111,716.12-167,521.51-40,588.61

Finding the Fourth Proportional to 111,716.12, 167,521.51 and 40,588.61

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Solution

The fourth proportional to 111,716.12, 167,521.51 and 40,588.61 is: 60,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,716.12 : 167,521.51 = 40,588.61 : x
  2. Step 2: Convert to fraction form
    111,716.12/167,521.51 = 40,588.61/x
  3. Step 3: Cross multiply
    111,716.12x = 167,521.51 × 40,588.61
  4. Step 4: Simplify right side
    111,716.12x = 6,799,464,220.82
  5. Step 5: Solve for x
    x = 6,799,464,220.82/111,716.12
  6. Step 6: Final answer
    x = 60,863.77

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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.