Home / 104,911.06-144,775.44-57,164.80

Finding the Fourth Proportional to 104,911.06, 144,775.44 and 57,164.80

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Solution

The fourth proportional to 104,911.06, 144,775.44 and 57,164.80 is: 78,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.06 : 144,775.44 = 57,164.80 : x
  2. Step 2: Convert to fraction form
    104,911.06/144,775.44 = 57,164.80/x
  3. Step 3: Cross multiply
    104,911.06x = 144,775.44 × 57,164.80
  4. Step 4: Simplify right side
    104,911.06x = 8,276,059,072.51
  5. Step 5: Solve for x
    x = 8,276,059,072.51/104,911.06
  6. Step 6: Final answer
    x = 78,886.43

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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.