Home / 45,474.24-68,210.88-17,772

Finding the Fourth Proportional to 45,474.24, 68,210.88 and 17,772

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Solution

The fourth proportional to 45,474.24, 68,210.88 and 17,772 is: 26,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.24 : 68,210.88 = 17,772 : x
  2. Step 2: Convert to fraction form
    45,474.24/68,210.88 = 17,772/x
  3. Step 3: Cross multiply
    45,474.24x = 68,210.88 × 17,772
  4. Step 4: Simplify right side
    45,474.24x = 1,212,243,759.36
  5. Step 5: Solve for x
    x = 1,212,243,759.36/45,474.24
  6. Step 6: Final answer
    x = 26,657.81

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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.