Home / 53,919.14-74,408.90-29,720.98

Finding the Fourth Proportional to 53,919.14, 74,408.90 and 29,720.98

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Solution

The fourth proportional to 53,919.14, 74,408.90 and 29,720.98 is: 41,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.14 : 74,408.90 = 29,720.98 : x
  2. Step 2: Convert to fraction form
    53,919.14/74,408.90 = 29,720.98/x
  3. Step 3: Cross multiply
    53,919.14x = 74,408.90 × 29,720.98
  4. Step 4: Simplify right side
    53,919.14x = 2,211,504,954.58
  5. Step 5: Solve for x
    x = 2,211,504,954.58/53,919.14
  6. Step 6: Final answer
    x = 41,015.22

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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.