Home / 75,686.22-104,447-43,873.58

Finding the Fourth Proportional to 75,686.22, 104,447 and 43,873.58

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Solution

The fourth proportional to 75,686.22, 104,447 and 43,873.58 is: 60,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,686.22 : 104,447 = 43,873.58 : x
  2. Step 2: Convert to fraction form
    75,686.22/104,447 = 43,873.58/x
  3. Step 3: Cross multiply
    75,686.22x = 104,447 × 43,873.58
  4. Step 4: Simplify right side
    75,686.22x = 4,582,463,810.26
  5. Step 5: Solve for x
    x = 4,582,463,810.26/75,686.22
  6. Step 6: Final answer
    x = 60,545.55

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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.