Home / 62,687.44-93,965.20-20,556.60

Finding the Fourth Proportional to 62,687.44, 93,965.20 and 20,556.60

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Solution

The fourth proportional to 62,687.44, 93,965.20 and 20,556.60 is: 30,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,687.44 : 93,965.20 = 20,556.60 : x
  2. Step 2: Convert to fraction form
    62,687.44/93,965.20 = 20,556.60/x
  3. Step 3: Cross multiply
    62,687.44x = 93,965.20 × 20,556.60
  4. Step 4: Simplify right side
    62,687.44x = 1,931,605,030.32
  5. Step 5: Solve for x
    x = 1,931,605,030.32/62,687.44
  6. Step 6: Final answer
    x = 30,813.27

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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.