Home / 43,163.79-64,805.31-29,805.43

Finding the Fourth Proportional to 43,163.79, 64,805.31 and 29,805.43

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Solution

The fourth proportional to 43,163.79, 64,805.31 and 29,805.43 is: 44,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.79 : 64,805.31 = 29,805.43 : x
  2. Step 2: Convert to fraction form
    43,163.79/64,805.31 = 29,805.43/x
  3. Step 3: Cross multiply
    43,163.79x = 64,805.31 × 29,805.43
  4. Step 4: Simplify right side
    43,163.79x = 1,931,550,130.83
  5. Step 5: Solve for x
    x = 1,931,550,130.83/43,163.79
  6. Step 6: Final answer
    x = 44,749.32

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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.