Home / 45,441.12-68,170.28-15,867.36

Finding the Fourth Proportional to 45,441.12, 68,170.28 and 15,867.36

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Solution

The fourth proportional to 45,441.12, 68,170.28 and 15,867.36 is: 23,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,441.12 : 68,170.28 = 15,867.36 : x
  2. Step 2: Convert to fraction form
    45,441.12/68,170.28 = 15,867.36/x
  3. Step 3: Cross multiply
    45,441.12x = 68,170.28 × 15,867.36
  4. Step 4: Simplify right side
    45,441.12x = 1,081,682,374.06
  5. Step 5: Solve for x
    x = 1,081,682,374.06/45,441.12
  6. Step 6: Final answer
    x = 23,804.04

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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.