Home / 85,717.89-128,576.85-41,336.37

Finding the Fourth Proportional to 85,717.89, 128,576.85 and 41,336.37

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Solution

The fourth proportional to 85,717.89, 128,576.85 and 41,336.37 is: 62,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,717.89 : 128,576.85 = 41,336.37 : x
  2. Step 2: Convert to fraction form
    85,717.89/128,576.85 = 41,336.37/x
  3. Step 3: Cross multiply
    85,717.89x = 128,576.85 × 41,336.37
  4. Step 4: Simplify right side
    85,717.89x = 5,314,900,245.03
  5. Step 5: Solve for x
    x = 5,314,900,245.03/85,717.89
  6. Step 6: Final answer
    x = 62,004.56

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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.