Home / 104,221.25-143,828.11-63,371.28

Finding the Fourth Proportional to 104,221.25, 143,828.11 and 63,371.28

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Solution

The fourth proportional to 104,221.25, 143,828.11 and 63,371.28 is: 87,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,221.25 : 143,828.11 = 63,371.28 : x
  2. Step 2: Convert to fraction form
    104,221.25/143,828.11 = 63,371.28/x
  3. Step 3: Cross multiply
    104,221.25x = 143,828.11 × 63,371.28
  4. Step 4: Simplify right side
    104,221.25x = 9,114,570,883.75
  5. Step 5: Solve for x
    x = 9,114,570,883.75/104,221.25
  6. Step 6: Final answer
    x = 87,454.06

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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.