Home / 47,299.05-70,940.06-12,236.58

Finding the Fourth Proportional to 47,299.05, 70,940.06 and 12,236.58

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Solution

The fourth proportional to 47,299.05, 70,940.06 and 12,236.58 is: 18,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,299.05 : 70,940.06 = 12,236.58 : x
  2. Step 2: Convert to fraction form
    47,299.05/70,940.06 = 12,236.58/x
  3. Step 3: Cross multiply
    47,299.05x = 70,940.06 × 12,236.58
  4. Step 4: Simplify right side
    47,299.05x = 868,063,719.39
  5. Step 5: Solve for x
    x = 868,063,719.39/47,299.05
  6. Step 6: Final answer
    x = 18,352.67

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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.