Home / 55,362.72-83,043.63-15,919.68

Finding the Fourth Proportional to 55,362.72, 83,043.63 and 15,919.68

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Solution

The fourth proportional to 55,362.72, 83,043.63 and 15,919.68 is: 23,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362.72 : 83,043.63 = 15,919.68 : x
  2. Step 2: Convert to fraction form
    55,362.72/83,043.63 = 15,919.68/x
  3. Step 3: Cross multiply
    55,362.72x = 83,043.63 × 15,919.68
  4. Step 4: Simplify right side
    55,362.72x = 1,322,028,015.64
  5. Step 5: Solve for x
    x = 1,322,028,015.64/55,362.72
  6. Step 6: Final answer
    x = 23,879.39

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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.