Home / 54,205.89-81,343.53-29,263.31

Finding the Fourth Proportional to 54,205.89, 81,343.53 and 29,263.31

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Solution

The fourth proportional to 54,205.89, 81,343.53 and 29,263.31 is: 43,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.89 : 81,343.53 = 29,263.31 : x
  2. Step 2: Convert to fraction form
    54,205.89/81,343.53 = 29,263.31/x
  3. Step 3: Cross multiply
    54,205.89x = 81,343.53 × 29,263.31
  4. Step 4: Simplify right side
    54,205.89x = 2,380,380,528.17
  5. Step 5: Solve for x
    x = 2,380,380,528.17/54,205.89
  6. Step 6: Final answer
    x = 43,913.69

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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.