Home / 104,750.46-144,555.37-57,003.80

Finding the Fourth Proportional to 104,750.46, 144,555.37 and 57,003.80

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Solution

The fourth proportional to 104,750.46, 144,555.37 and 57,003.80 is: 78,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.46 : 144,555.37 = 57,003.80 : x
  2. Step 2: Convert to fraction form
    104,750.46/144,555.37 = 57,003.80/x
  3. Step 3: Cross multiply
    104,750.46x = 144,555.37 × 57,003.80
  4. Step 4: Simplify right side
    104,750.46x = 8,240,204,535.12
  5. Step 5: Solve for x
    x = 8,240,204,535.12/104,750.46
  6. Step 6: Final answer
    x = 78,665.09

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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.