Home / 47,121.42-70,682.09-12,061.02

Finding the Fourth Proportional to 47,121.42, 70,682.09 and 12,061.02

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Solution

The fourth proportional to 47,121.42, 70,682.09 and 12,061.02 is: 18,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.42 : 70,682.09 = 12,061.02 : x
  2. Step 2: Convert to fraction form
    47,121.42/70,682.09 = 12,061.02/x
  3. Step 3: Cross multiply
    47,121.42x = 70,682.09 × 12,061.02
  4. Step 4: Simplify right side
    47,121.42x = 852,498,040.83
  5. Step 5: Solve for x
    x = 852,498,040.83/47,121.42
  6. Step 6: Final answer
    x = 18,091.52

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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.