Home / 74,238.51-111,367.77-21,647.52

Finding the Fourth Proportional to 74,238.51, 111,367.77 and 21,647.52

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Solution

The fourth proportional to 74,238.51, 111,367.77 and 21,647.52 is: 32,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,238.51 : 111,367.77 = 21,647.52 : x
  2. Step 2: Convert to fraction form
    74,238.51/111,367.77 = 21,647.52/x
  3. Step 3: Cross multiply
    74,238.51x = 111,367.77 × 21,647.52
  4. Step 4: Simplify right side
    74,238.51x = 2,410,836,028.43
  5. Step 5: Solve for x
    x = 2,410,836,028.43/74,238.51
  6. Step 6: Final answer
    x = 32,474.20

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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.