Home / 67,035.52-100,569.36-20,285.44

Finding the Fourth Proportional to 67,035.52, 100,569.36 and 20,285.44

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Solution

The fourth proportional to 67,035.52, 100,569.36 and 20,285.44 is: 30,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,035.52 : 100,569.36 = 20,285.44 : x
  2. Step 2: Convert to fraction form
    67,035.52/100,569.36 = 20,285.44/x
  3. Step 3: Cross multiply
    67,035.52x = 100,569.36 × 20,285.44
  4. Step 4: Simplify right side
    67,035.52x = 2,040,093,718.12
  5. Step 5: Solve for x
    x = 2,040,093,718.12/67,035.52
  6. Step 6: Final answer
    x = 30,433.03

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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.