Home / 53,325.15-79,938.27-20,067.27

Finding the Fourth Proportional to 53,325.15, 79,938.27 and 20,067.27

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Solution

The fourth proportional to 53,325.15, 79,938.27 and 20,067.27 is: 30,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,325.15 : 79,938.27 = 20,067.27 : x
  2. Step 2: Convert to fraction form
    53,325.15/79,938.27 = 20,067.27/x
  3. Step 3: Cross multiply
    53,325.15x = 79,938.27 × 20,067.27
  4. Step 4: Simplify right side
    53,325.15x = 1,604,142,847.42
  5. Step 5: Solve for x
    x = 1,604,142,847.42/53,325.15
  6. Step 6: Final answer
    x = 30,082.29

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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.