Home / 47,073.89-70,610.78-12,013.55

Finding the Fourth Proportional to 47,073.89, 70,610.78 and 12,013.55

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Solution

The fourth proportional to 47,073.89, 70,610.78 and 12,013.55 is: 18,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,073.89 : 70,610.78 = 12,013.55 : x
  2. Step 2: Convert to fraction form
    47,073.89/70,610.78 = 12,013.55/x
  3. Step 3: Cross multiply
    47,073.89x = 70,610.78 × 12,013.55
  4. Step 4: Simplify right side
    47,073.89x = 848,285,722.95
  5. Step 5: Solve for x
    x = 848,285,722.95/47,073.89
  6. Step 6: Final answer
    x = 18,020.30

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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.