Home / 52,865.26-79,297.89-13,422.58

Finding the Fourth Proportional to 52,865.26, 79,297.89 and 13,422.58

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Solution

The fourth proportional to 52,865.26, 79,297.89 and 13,422.58 is: 20,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.26 : 79,297.89 = 13,422.58 : x
  2. Step 2: Convert to fraction form
    52,865.26/79,297.89 = 13,422.58/x
  3. Step 3: Cross multiply
    52,865.26x = 79,297.89 × 13,422.58
  4. Step 4: Simplify right side
    52,865.26x = 1,064,382,272.36
  5. Step 5: Solve for x
    x = 1,064,382,272.36/52,865.26
  6. Step 6: Final answer
    x = 20,133.87

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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.