Home / 43,112.76-64,676.43-19,741.02

Finding the Fourth Proportional to 43,112.76, 64,676.43 and 19,741.02

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Solution

The fourth proportional to 43,112.76, 64,676.43 and 19,741.02 is: 29,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112.76 : 64,676.43 = 19,741.02 : x
  2. Step 2: Convert to fraction form
    43,112.76/64,676.43 = 19,741.02/x
  3. Step 3: Cross multiply
    43,112.76x = 64,676.43 × 19,741.02
  4. Step 4: Simplify right side
    43,112.76x = 1,276,778,698.16
  5. Step 5: Solve for x
    x = 1,276,778,698.16/43,112.76
  6. Step 6: Final answer
    x = 29,614.87

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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.