Home / 46,945.45-70,425.24-13,661.20

Finding the Fourth Proportional to 46,945.45, 70,425.24 and 13,661.20

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Solution

The fourth proportional to 46,945.45, 70,425.24 and 13,661.20 is: 20,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,945.45 : 70,425.24 = 13,661.20 : x
  2. Step 2: Convert to fraction form
    46,945.45/70,425.24 = 13,661.20/x
  3. Step 3: Cross multiply
    46,945.45x = 70,425.24 × 13,661.20
  4. Step 4: Simplify right side
    46,945.45x = 962,093,288.69
  5. Step 5: Solve for x
    x = 962,093,288.69/46,945.45
  6. Step 6: Final answer
    x = 20,493.86

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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.