Home / 45,352.20-68,028.44-13,762.52

Finding the Fourth Proportional to 45,352.20, 68,028.44 and 13,762.52

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Solution

The fourth proportional to 45,352.20, 68,028.44 and 13,762.52 is: 20,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.20 : 68,028.44 = 13,762.52 : x
  2. Step 2: Convert to fraction form
    45,352.20/68,028.44 = 13,762.52/x
  3. Step 3: Cross multiply
    45,352.20x = 68,028.44 × 13,762.52
  4. Step 4: Simplify right side
    45,352.20x = 936,242,766.07
  5. Step 5: Solve for x
    x = 936,242,766.07/45,352.20
  6. Step 6: Final answer
    x = 20,643.82

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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.