Home / 89,576.19-123,615-49,292.55

Finding the Fourth Proportional to 89,576.19, 123,615 and 49,292.55

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Solution

The fourth proportional to 89,576.19, 123,615 and 49,292.55 is: 68,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.19 : 123,615 = 49,292.55 : x
  2. Step 2: Convert to fraction form
    89,576.19/123,615 = 49,292.55/x
  3. Step 3: Cross multiply
    89,576.19x = 123,615 × 49,292.55
  4. Step 4: Simplify right side
    89,576.19x = 6,093,298,568.25
  5. Step 5: Solve for x
    x = 6,093,298,568.25/89,576.19
  6. Step 6: Final answer
    x = 68,023.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.