Home / 54,156.24-74,736-30,284.28

Finding the Fourth Proportional to 54,156.24, 74,736 and 30,284.28

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Solution

The fourth proportional to 54,156.24, 74,736 and 30,284.28 is: 41,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.24 : 74,736 = 30,284.28 : x
  2. Step 2: Convert to fraction form
    54,156.24/74,736 = 30,284.28/x
  3. Step 3: Cross multiply
    54,156.24x = 74,736 × 30,284.28
  4. Step 4: Simplify right side
    54,156.24x = 2,263,325,950.08
  5. Step 5: Solve for x
    x = 2,263,325,950.08/54,156.24
  6. Step 6: Final answer
    x = 41,792.52

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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.