Home / 52,185.75-78,274.37-20,594.54

Finding the Fourth Proportional to 52,185.75, 78,274.37 and 20,594.54

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Solution

The fourth proportional to 52,185.75, 78,274.37 and 20,594.54 is: 30,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,185.75 : 78,274.37 = 20,594.54 : x
  2. Step 2: Convert to fraction form
    52,185.75/78,274.37 = 20,594.54/x
  3. Step 3: Cross multiply
    52,185.75x = 78,274.37 × 20,594.54
  4. Step 4: Simplify right side
    52,185.75x = 1,612,024,149.60
  5. Step 5: Solve for x
    x = 1,612,024,149.60/52,185.75
  6. Step 6: Final answer
    x = 30,890.12

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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.