Home / 54,314.94-74,932.95-31,650.54

Finding the Fourth Proportional to 54,314.94, 74,932.95 and 31,650.54

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Solution

The fourth proportional to 54,314.94, 74,932.95 and 31,650.54 is: 43,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.94 : 74,932.95 = 31,650.54 : x
  2. Step 2: Convert to fraction form
    54,314.94/74,932.95 = 31,650.54/x
  3. Step 3: Cross multiply
    54,314.94x = 74,932.95 × 31,650.54
  4. Step 4: Simplify right side
    54,314.94x = 2,371,668,331.29
  5. Step 5: Solve for x
    x = 2,371,668,331.29/54,314.94
  6. Step 6: Final answer
    x = 43,665.12

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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.