Home / 53,729.40-74,143.31-29,855.26

Finding the Fourth Proportional to 53,729.40, 74,143.31 and 29,855.26

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Solution

The fourth proportional to 53,729.40, 74,143.31 and 29,855.26 is: 41,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.40 : 74,143.31 = 29,855.26 : x
  2. Step 2: Convert to fraction form
    53,729.40/74,143.31 = 29,855.26/x
  3. Step 3: Cross multiply
    53,729.40x = 74,143.31 × 29,855.26
  4. Step 4: Simplify right side
    53,729.40x = 2,213,567,797.31
  5. Step 5: Solve for x
    x = 2,213,567,797.31/53,729.40
  6. Step 6: Final answer
    x = 41,198.45

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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.