Home / 74,233.44-111,315.51-21,632.43

Finding the Fourth Proportional to 74,233.44, 111,315.51 and 21,632.43

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Solution

The fourth proportional to 74,233.44, 111,315.51 and 21,632.43 is: 32,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,233.44 : 111,315.51 = 21,632.43 : x
  2. Step 2: Convert to fraction form
    74,233.44/111,315.51 = 21,632.43/x
  3. Step 3: Cross multiply
    74,233.44x = 111,315.51 × 21,632.43
  4. Step 4: Simplify right side
    74,233.44x = 2,408,024,977.99
  5. Step 5: Solve for x
    x = 2,408,024,977.99/74,233.44
  6. Step 6: Final answer
    x = 32,438.55

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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.