Home / 53,119.97-79,609.14-19,806.42

Finding the Fourth Proportional to 53,119.97, 79,609.14 and 19,806.42

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Solution

The fourth proportional to 53,119.97, 79,609.14 and 19,806.42 is: 29,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.97 : 79,609.14 = 19,806.42 : x
  2. Step 2: Convert to fraction form
    53,119.97/79,609.14 = 19,806.42/x
  3. Step 3: Cross multiply
    53,119.97x = 79,609.14 × 19,806.42
  4. Step 4: Simplify right side
    53,119.97x = 1,576,772,062.68
  5. Step 5: Solve for x
    x = 1,576,772,062.68/53,119.97
  6. Step 6: Final answer
    x = 29,683.23

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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.