Home / 104,850.90-144,695.97-57,105.18

Finding the Fourth Proportional to 104,850.90, 144,695.97 and 57,105.18

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Solution

The fourth proportional to 104,850.90, 144,695.97 and 57,105.18 is: 78,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,850.90 : 144,695.97 = 57,105.18 : x
  2. Step 2: Convert to fraction form
    104,850.90/144,695.97 = 57,105.18/x
  3. Step 3: Cross multiply
    104,850.90x = 144,695.97 × 57,105.18
  4. Step 4: Simplify right side
    104,850.90x = 8,262,889,412.12
  5. Step 5: Solve for x
    x = 8,262,889,412.12/104,850.90
  6. Step 6: Final answer
    x = 78,806.09

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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.