Home / 43,457.44-65,196.33-13,470.11

Finding the Fourth Proportional to 43,457.44, 65,196.33 and 13,470.11

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Solution

The fourth proportional to 43,457.44, 65,196.33 and 13,470.11 is: 20,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457.44 : 65,196.33 = 13,470.11 : x
  2. Step 2: Convert to fraction form
    43,457.44/65,196.33 = 13,470.11/x
  3. Step 3: Cross multiply
    43,457.44x = 65,196.33 × 13,470.11
  4. Step 4: Simplify right side
    43,457.44x = 878,201,736.70
  5. Step 5: Solve for x
    x = 878,201,736.70/43,457.44
  6. Step 6: Final answer
    x = 20,208.32

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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.