Home / 104,290.10-143,911.46-58,961.80

Finding the Fourth Proportional to 104,290.10, 143,911.46 and 58,961.80

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Solution

The fourth proportional to 104,290.10, 143,911.46 and 58,961.80 is: 81,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.10 : 143,911.46 = 58,961.80 : x
  2. Step 2: Convert to fraction form
    104,290.10/143,911.46 = 58,961.80/x
  3. Step 3: Cross multiply
    104,290.10x = 143,911.46 × 58,961.80
  4. Step 4: Simplify right side
    104,290.10x = 8,485,278,722.23
  5. Step 5: Solve for x
    x = 8,485,278,722.23/104,290.10
  6. Step 6: Final answer
    x = 81,362.26

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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.