Home / 83,610.44-125,362.31-55,114.51

Finding the Fourth Proportional to 83,610.44, 125,362.31 and 55,114.51

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Solution

The fourth proportional to 83,610.44, 125,362.31 and 55,114.51 is: 82,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.44 : 125,362.31 = 55,114.51 : x
  2. Step 2: Convert to fraction form
    83,610.44/125,362.31 = 55,114.51/x
  3. Step 3: Cross multiply
    83,610.44x = 125,362.31 × 55,114.51
  4. Step 4: Simplify right side
    83,610.44x = 6,909,281,699.14
  5. Step 5: Solve for x
    x = 6,909,281,699.14/83,610.44
  6. Step 6: Final answer
    x = 82,636.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.