Home / 47,121.92-70,682.84-12,061.52

Finding the Fourth Proportional to 47,121.92, 70,682.84 and 12,061.52

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Solution

The fourth proportional to 47,121.92, 70,682.84 and 12,061.52 is: 18,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.92 : 70,682.84 = 12,061.52 : x
  2. Step 2: Convert to fraction form
    47,121.92/70,682.84 = 12,061.52/x
  3. Step 3: Cross multiply
    47,121.92x = 70,682.84 × 12,061.52
  4. Step 4: Simplify right side
    47,121.92x = 852,542,428.01
  5. Step 5: Solve for x
    x = 852,542,428.01/47,121.92
  6. Step 6: Final answer
    x = 18,092.27

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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.