Home / 104,749.71-144,554.33-57,003.05

Finding the Fourth Proportional to 104,749.71, 144,554.33 and 57,003.05

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Solution

The fourth proportional to 104,749.71, 144,554.33 and 57,003.05 is: 78,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.71 : 144,554.33 = 57,003.05 : x
  2. Step 2: Convert to fraction form
    104,749.71/144,554.33 = 57,003.05/x
  3. Step 3: Cross multiply
    104,749.71x = 144,554.33 × 57,003.05
  4. Step 4: Simplify right side
    104,749.71x = 8,240,037,120.44
  5. Step 5: Solve for x
    x = 8,240,037,120.44/104,749.71
  6. Step 6: Final answer
    x = 78,664.06

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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.