Home / 75,348.99-113,022.65-18,423.45

Finding the Fourth Proportional to 75,348.99, 113,022.65 and 18,423.45

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Solution

The fourth proportional to 75,348.99, 113,022.65 and 18,423.45 is: 27,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,348.99 : 113,022.65 = 18,423.45 : x
  2. Step 2: Convert to fraction form
    75,348.99/113,022.65 = 18,423.45/x
  3. Step 3: Cross multiply
    75,348.99x = 113,022.65 × 18,423.45
  4. Step 4: Simplify right side
    75,348.99x = 2,082,267,049.03
  5. Step 5: Solve for x
    x = 2,082,267,049.03/75,348.99
  6. Step 6: Final answer
    x = 27,634.97

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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.