Home / 43,724.25-65,600.21-15,643.68

Finding the Fourth Proportional to 43,724.25, 65,600.21 and 15,643.68

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Solution

The fourth proportional to 43,724.25, 65,600.21 and 15,643.68 is: 23,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,724.25 : 65,600.21 = 15,643.68 : x
  2. Step 2: Convert to fraction form
    43,724.25/65,600.21 = 15,643.68/x
  3. Step 3: Cross multiply
    43,724.25x = 65,600.21 × 15,643.68
  4. Step 4: Simplify right side
    43,724.25x = 1,026,228,614.95
  5. Step 5: Solve for x
    x = 1,026,228,614.95/43,724.25
  6. Step 6: Final answer
    x = 23,470.47

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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.