Home / 52,845.64-79,265.72-13,403.09

Finding the Fourth Proportional to 52,845.64, 79,265.72 and 13,403.09

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Solution

The fourth proportional to 52,845.64, 79,265.72 and 13,403.09 is: 20,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.64 : 79,265.72 = 13,403.09 : x
  2. Step 2: Convert to fraction form
    52,845.64/79,265.72 = 13,403.09/x
  3. Step 3: Cross multiply
    52,845.64x = 79,265.72 × 13,403.09
  4. Step 4: Simplify right side
    52,845.64x = 1,062,405,810.75
  5. Step 5: Solve for x
    x = 1,062,405,810.75/52,845.64
  6. Step 6: Final answer
    x = 20,103.95

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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.