Home / 47,422.93-71,132.69-11,884.54

Finding the Fourth Proportional to 47,422.93, 71,132.69 and 11,884.54

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Solution

The fourth proportional to 47,422.93, 71,132.69 and 11,884.54 is: 17,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,422.93 : 71,132.69 = 11,884.54 : x
  2. Step 2: Convert to fraction form
    47,422.93/71,132.69 = 11,884.54/x
  3. Step 3: Cross multiply
    47,422.93x = 71,132.69 × 11,884.54
  4. Step 4: Simplify right side
    47,422.93x = 845,379,299.61
  5. Step 5: Solve for x
    x = 845,379,299.61/47,422.93
  6. Step 6: Final answer
    x = 17,826.38

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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.