Home / 47,821.23-71,732.43-14,546.70

Finding the Fourth Proportional to 47,821.23, 71,732.43 and 14,546.70

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Solution

The fourth proportional to 47,821.23, 71,732.43 and 14,546.70 is: 21,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.23 : 71,732.43 = 14,546.70 : x
  2. Step 2: Convert to fraction form
    47,821.23/71,732.43 = 14,546.70/x
  3. Step 3: Cross multiply
    47,821.23x = 71,732.43 × 14,546.70
  4. Step 4: Simplify right side
    47,821.23x = 1,043,470,139.48
  5. Step 5: Solve for x
    x = 1,043,470,139.48/47,821.23
  6. Step 6: Final answer
    x = 21,820.23

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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.