Home / 52,729.30-79,081.53-15,279.49

Finding the Fourth Proportional to 52,729.30, 79,081.53 and 15,279.49

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Solution

The fourth proportional to 52,729.30, 79,081.53 and 15,279.49 is: 22,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.30 : 79,081.53 = 15,279.49 : x
  2. Step 2: Convert to fraction form
    52,729.30/79,081.53 = 15,279.49/x
  3. Step 3: Cross multiply
    52,729.30x = 79,081.53 × 15,279.49
  4. Step 4: Simplify right side
    52,729.30x = 1,208,325,446.82
  5. Step 5: Solve for x
    x = 1,208,325,446.82/52,729.30
  6. Step 6: Final answer
    x = 22,915.64

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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.