Home / 104,906.03-144,771.98-57,159.36

Finding the Fourth Proportional to 104,906.03, 144,771.98 and 57,159.36

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Solution

The fourth proportional to 104,906.03, 144,771.98 and 57,159.36 is: 78,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.03 : 144,771.98 = 57,159.36 : x
  2. Step 2: Convert to fraction form
    104,906.03/144,771.98 = 57,159.36/x
  3. Step 3: Cross multiply
    104,906.03x = 144,771.98 × 57,159.36
  4. Step 4: Simplify right side
    104,906.03x = 8,275,073,436.94
  5. Step 5: Solve for x
    x = 8,275,073,436.94/104,906.03
  6. Step 6: Final answer
    x = 78,880.82

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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.