Home / 112,109.24-168,159-27,867.62

Finding the Fourth Proportional to 112,109.24, 168,159 and 27,867.62

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Solution

The fourth proportional to 112,109.24, 168,159 and 27,867.62 is: 41,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109.24 : 168,159 = 27,867.62 : x
  2. Step 2: Convert to fraction form
    112,109.24/168,159 = 27,867.62/x
  3. Step 3: Cross multiply
    112,109.24x = 168,159 × 27,867.62
  4. Step 4: Simplify right side
    112,109.24x = 4,686,191,111.58
  5. Step 5: Solve for x
    x = 4,686,191,111.58/112,109.24
  6. Step 6: Final answer
    x = 41,800.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.