Home / 67,401.42-101,102.13-23,028.57

Finding the Fourth Proportional to 67,401.42, 101,102.13 and 23,028.57

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Solution

The fourth proportional to 67,401.42, 101,102.13 and 23,028.57 is: 34,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,401.42 : 101,102.13 = 23,028.57 : x
  2. Step 2: Convert to fraction form
    67,401.42/101,102.13 = 23,028.57/x
  3. Step 3: Cross multiply
    67,401.42x = 101,102.13 × 23,028.57
  4. Step 4: Simplify right side
    67,401.42x = 2,328,237,477.85
  5. Step 5: Solve for x
    x = 2,328,237,477.85/67,401.42
  6. Step 6: Final answer
    x = 34,542.86

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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.