Home / 45,163.24-67,748.37-13,570.84

Finding the Fourth Proportional to 45,163.24, 67,748.37 and 13,570.84

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Solution

The fourth proportional to 45,163.24, 67,748.37 and 13,570.84 is: 20,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.24 : 67,748.37 = 13,570.84 : x
  2. Step 2: Convert to fraction form
    45,163.24/67,748.37 = 13,570.84/x
  3. Step 3: Cross multiply
    45,163.24x = 67,748.37 × 13,570.84
  4. Step 4: Simplify right side
    45,163.24x = 919,401,882.93
  5. Step 5: Solve for x
    x = 919,401,882.93/45,163.24
  6. Step 6: Final answer
    x = 20,357.31

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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.