Home / 47,147.46-70,765.62-17,190.67

Finding the Fourth Proportional to 47,147.46, 70,765.62 and 17,190.67

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Solution

The fourth proportional to 47,147.46, 70,765.62 and 17,190.67 is: 25,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.46 : 70,765.62 = 17,190.67 : x
  2. Step 2: Convert to fraction form
    47,147.46/70,765.62 = 17,190.67/x
  3. Step 3: Cross multiply
    47,147.46x = 70,765.62 × 17,190.67
  4. Step 4: Simplify right side
    47,147.46x = 1,216,508,420.77
  5. Step 5: Solve for x
    x = 1,216,508,420.77/47,147.46
  6. Step 6: Final answer
    x = 25,802.20

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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.