Home / 54,023.31-74,544.95-31,362.03

Finding the Fourth Proportional to 54,023.31, 74,544.95 and 31,362.03

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Solution

The fourth proportional to 54,023.31, 74,544.95 and 31,362.03 is: 43,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,023.31 : 74,544.95 = 31,362.03 : x
  2. Step 2: Convert to fraction form
    54,023.31/74,544.95 = 31,362.03/x
  3. Step 3: Cross multiply
    54,023.31x = 74,544.95 × 31,362.03
  4. Step 4: Simplify right side
    54,023.31x = 2,337,880,801.44
  5. Step 5: Solve for x
    x = 2,337,880,801.44/54,023.31
  6. Step 6: Final answer
    x = 43,275.41

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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.