Home / 47,185.26-70,777.62-12,124.98

Finding the Fourth Proportional to 47,185.26, 70,777.62 and 12,124.98

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Solution

The fourth proportional to 47,185.26, 70,777.62 and 12,124.98 is: 18,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,185.26 : 70,777.62 = 12,124.98 : x
  2. Step 2: Convert to fraction form
    47,185.26/70,777.62 = 12,124.98/x
  3. Step 3: Cross multiply
    47,185.26x = 70,777.62 × 12,124.98
  4. Step 4: Simplify right side
    47,185.26x = 858,177,226.95
  5. Step 5: Solve for x
    x = 858,177,226.95/47,185.26
  6. Step 6: Final answer
    x = 18,187.40

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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.