Home / 54,156.70-74,736.47-30,283.37

Finding the Fourth Proportional to 54,156.70, 74,736.47 and 30,283.37

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Solution

The fourth proportional to 54,156.70, 74,736.47 and 30,283.37 is: 41,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.70 : 74,736.47 = 30,283.37 : x
  2. Step 2: Convert to fraction form
    54,156.70/74,736.47 = 30,283.37/x
  3. Step 3: Cross multiply
    54,156.70x = 74,736.47 × 30,283.37
  4. Step 4: Simplify right side
    54,156.70x = 2,263,272,155.79
  5. Step 5: Solve for x
    x = 2,263,272,155.79/54,156.70
  6. Step 6: Final answer
    x = 41,791.17

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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.