Home / 65,928.21-98,895.06-19,181.09

Finding the Fourth Proportional to 65,928.21, 98,895.06 and 19,181.09

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Solution

The fourth proportional to 65,928.21, 98,895.06 and 19,181.09 is: 28,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.21 : 98,895.06 = 19,181.09 : x
  2. Step 2: Convert to fraction form
    65,928.21/98,895.06 = 19,181.09/x
  3. Step 3: Cross multiply
    65,928.21x = 98,895.06 × 19,181.09
  4. Step 4: Simplify right side
    65,928.21x = 1,896,914,551.94
  5. Step 5: Solve for x
    x = 1,896,914,551.94/65,928.21
  6. Step 6: Final answer
    x = 28,772.43

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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.