Home / 53,209.22-73,408.07-30,540.02

Finding the Fourth Proportional to 53,209.22, 73,408.07 and 30,540.02

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Solution

The fourth proportional to 53,209.22, 73,408.07 and 30,540.02 is: 42,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.22 : 73,408.07 = 30,540.02 : x
  2. Step 2: Convert to fraction form
    53,209.22/73,408.07 = 30,540.02/x
  3. Step 3: Cross multiply
    53,209.22x = 73,408.07 × 30,540.02
  4. Step 4: Simplify right side
    53,209.22x = 2,241,883,773.26
  5. Step 5: Solve for x
    x = 2,241,883,773.26/53,209.22
  6. Step 6: Final answer
    x = 42,133.37

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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.