Home / 53,163.51-79,745.36-49,915.82

Finding the Fourth Proportional to 53,163.51, 79,745.36 and 49,915.82

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Solution

The fourth proportional to 53,163.51, 79,745.36 and 49,915.82 is: 74,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.51 : 79,745.36 = 49,915.82 : x
  2. Step 2: Convert to fraction form
    53,163.51/79,745.36 = 49,915.82/x
  3. Step 3: Cross multiply
    53,163.51x = 79,745.36 × 49,915.82
  4. Step 4: Simplify right side
    53,163.51x = 3,980,554,387.29
  5. Step 5: Solve for x
    x = 3,980,554,387.29/53,163.51
  6. Step 6: Final answer
    x = 74,873.81

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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.