Home / 53,163.39-79,745.18-49,915.69

Finding the Fourth Proportional to 53,163.39, 79,745.18 and 49,915.69

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Solution

The fourth proportional to 53,163.39, 79,745.18 and 49,915.69 is: 74,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.39 : 79,745.18 = 49,915.69 : x
  2. Step 2: Convert to fraction form
    53,163.39/79,745.18 = 49,915.69/x
  3. Step 3: Cross multiply
    53,163.39x = 79,745.18 × 49,915.69
  4. Step 4: Simplify right side
    53,163.39x = 3,980,535,683.87
  5. Step 5: Solve for x
    x = 3,980,535,683.87/53,163.39
  6. Step 6: Final answer
    x = 74,873.62

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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.