Home / 85,217.67-117,576.77-55,004.27

Finding the Fourth Proportional to 85,217.67, 117,576.77 and 55,004.27

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Solution

The fourth proportional to 85,217.67, 117,576.77 and 55,004.27 is: 75,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.67 : 117,576.77 = 55,004.27 : x
  2. Step 2: Convert to fraction form
    85,217.67/117,576.77 = 55,004.27/x
  3. Step 3: Cross multiply
    85,217.67x = 117,576.77 × 55,004.27
  4. Step 4: Simplify right side
    85,217.67x = 6,467,223,539.90
  5. Step 5: Solve for x
    x = 6,467,223,539.90/85,217.67
  6. Step 6: Final answer
    x = 75,890.64

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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.