Home / 54,289.02-74,916.82-31,629.26

Finding the Fourth Proportional to 54,289.02, 74,916.82 and 31,629.26

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Solution

The fourth proportional to 54,289.02, 74,916.82 and 31,629.26 is: 43,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.02 : 74,916.82 = 31,629.26 : x
  2. Step 2: Convert to fraction form
    54,289.02/74,916.82 = 31,629.26/x
  3. Step 3: Cross multiply
    54,289.02x = 74,916.82 × 31,629.26
  4. Step 4: Simplify right side
    54,289.02x = 2,369,563,578.15
  5. Step 5: Solve for x
    x = 2,369,563,578.15/54,289.02
  6. Step 6: Final answer
    x = 43,647.20

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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.