Home / 85,066.20-117,404.24-51,093.36

Finding the Fourth Proportional to 85,066.20, 117,404.24 and 51,093.36

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Solution

The fourth proportional to 85,066.20, 117,404.24 and 51,093.36 is: 70,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,066.20 : 117,404.24 = 51,093.36 : x
  2. Step 2: Convert to fraction form
    85,066.20/117,404.24 = 51,093.36/x
  3. Step 3: Cross multiply
    85,066.20x = 117,404.24 × 51,093.36
  4. Step 4: Simplify right side
    85,066.20x = 5,998,576,844.38
  5. Step 5: Solve for x
    x = 5,998,576,844.38/85,066.20
  6. Step 6: Final answer
    x = 70,516.57

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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.