Home / 65,942.46-98,826.21-57,136.14

Finding the Fourth Proportional to 65,942.46, 98,826.21 and 57,136.14

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Solution

The fourth proportional to 65,942.46, 98,826.21 and 57,136.14 is: 85,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942.46 : 98,826.21 = 57,136.14 : x
  2. Step 2: Convert to fraction form
    65,942.46/98,826.21 = 57,136.14/x
  3. Step 3: Cross multiply
    65,942.46x = 98,826.21 × 57,136.14
  4. Step 4: Simplify right side
    65,942.46x = 5,646,548,170.23
  5. Step 5: Solve for x
    x = 5,646,548,170.23/65,942.46
  6. Step 6: Final answer
    x = 85,628.41

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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.