Home / 47,009.23-70,520.42-13,731.73

Finding the Fourth Proportional to 47,009.23, 70,520.42 and 13,731.73

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Solution

The fourth proportional to 47,009.23, 70,520.42 and 13,731.73 is: 20,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.23 : 70,520.42 = 13,731.73 : x
  2. Step 2: Convert to fraction form
    47,009.23/70,520.42 = 13,731.73/x
  3. Step 3: Cross multiply
    47,009.23x = 70,520.42 × 13,731.73
  4. Step 4: Simplify right side
    47,009.23x = 968,367,224.95
  5. Step 5: Solve for x
    x = 968,367,224.95/47,009.23
  6. Step 6: Final answer
    x = 20,599.51

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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.