Home / 53,163.14-79,744.79-49,915.44

Finding the Fourth Proportional to 53,163.14, 79,744.79 and 49,915.44

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Solution

The fourth proportional to 53,163.14, 79,744.79 and 49,915.44 is: 74,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.14 : 79,744.79 = 49,915.44 : x
  2. Step 2: Convert to fraction form
    53,163.14/79,744.79 = 49,915.44/x
  3. Step 3: Cross multiply
    53,163.14x = 79,744.79 × 49,915.44
  4. Step 4: Simplify right side
    53,163.14x = 3,980,496,405.35
  5. Step 5: Solve for x
    x = 3,980,496,405.35/53,163.14
  6. Step 6: Final answer
    x = 74,873.24

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1.5x scale

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.