Home / 104,028.26-156,299.16-66,604.64

Finding the Fourth Proportional to 104,028.26, 156,299.16 and 66,604.64

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Solution

The fourth proportional to 104,028.26, 156,299.16 and 66,604.64 is: 100,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.26 : 156,299.16 = 66,604.64 : x
  2. Step 2: Convert to fraction form
    104,028.26/156,299.16 = 66,604.64/x
  3. Step 3: Cross multiply
    104,028.26x = 156,299.16 × 66,604.64
  4. Step 4: Simplify right side
    104,028.26x = 10,410,249,284.10
  5. Step 5: Solve for x
    x = 10,410,249,284.10/104,028.26
  6. Step 6: Final answer
    x = 100,071.36

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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.