Home / 54,893.40-75,749.38-30,696.36

Finding the Fourth Proportional to 54,893.40, 75,749.38 and 30,696.36

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Solution

The fourth proportional to 54,893.40, 75,749.38 and 30,696.36 is: 42,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,893.40 : 75,749.38 = 30,696.36 : x
  2. Step 2: Convert to fraction form
    54,893.40/75,749.38 = 30,696.36/x
  3. Step 3: Cross multiply
    54,893.40x = 75,749.38 × 30,696.36
  4. Step 4: Simplify right side
    54,893.40x = 2,325,230,084.78
  5. Step 5: Solve for x
    x = 2,325,230,084.78/54,893.40
  6. Step 6: Final answer
    x = 42,359.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.