Home / 45,745.56-68,626.08-15,758.64

Finding the Fourth Proportional to 45,745.56, 68,626.08 and 15,758.64

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Solution

The fourth proportional to 45,745.56, 68,626.08 and 15,758.64 is: 23,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.56 : 68,626.08 = 15,758.64 : x
  2. Step 2: Convert to fraction form
    45,745.56/68,626.08 = 15,758.64/x
  3. Step 3: Cross multiply
    45,745.56x = 68,626.08 × 15,758.64
  4. Step 4: Simplify right side
    45,745.56x = 1,081,453,689.33
  5. Step 5: Solve for x
    x = 1,081,453,689.33/45,745.56
  6. Step 6: Final answer
    x = 23,640.63

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1.5x scale

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.