Home / 47,393.47-71,112.18-20,735.94

Finding the Fourth Proportional to 47,393.47, 71,112.18 and 20,735.94

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Solution

The fourth proportional to 47,393.47, 71,112.18 and 20,735.94 is: 31,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.47 : 71,112.18 = 20,735.94 : x
  2. Step 2: Convert to fraction form
    47,393.47/71,112.18 = 20,735.94/x
  3. Step 3: Cross multiply
    47,393.47x = 71,112.18 × 20,735.94
  4. Step 4: Simplify right side
    47,393.47x = 1,474,577,925.54
  5. Step 5: Solve for x
    x = 1,474,577,925.54/47,393.47
  6. Step 6: Final answer
    x = 31,113.53

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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.