Home / 43,742.12-65,614.19-15,664.10

Finding the Fourth Proportional to 43,742.12, 65,614.19 and 15,664.10

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Solution

The fourth proportional to 43,742.12, 65,614.19 and 15,664.10 is: 23,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,742.12 : 65,614.19 = 15,664.10 : x
  2. Step 2: Convert to fraction form
    43,742.12/65,614.19 = 15,664.10/x
  3. Step 3: Cross multiply
    43,742.12x = 65,614.19 × 15,664.10
  4. Step 4: Simplify right side
    43,742.12x = 1,027,786,827.19
  5. Step 5: Solve for x
    x = 1,027,786,827.19/43,742.12
  6. Step 6: Final answer
    x = 23,496.51

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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.