Home / 47,004.67-70,500.06-13,715.80

Finding the Fourth Proportional to 47,004.67, 70,500.06 and 13,715.80

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Solution

The fourth proportional to 47,004.67, 70,500.06 and 13,715.80 is: 20,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,004.67 : 70,500.06 = 13,715.80 : x
  2. Step 2: Convert to fraction form
    47,004.67/70,500.06 = 13,715.80/x
  3. Step 3: Cross multiply
    47,004.67x = 70,500.06 × 13,715.80
  4. Step 4: Simplify right side
    47,004.67x = 966,964,722.95
  5. Step 5: Solve for x
    x = 966,964,722.95/47,004.67
  6. Step 6: Final answer
    x = 20,571.67

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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.