Home / 54,275.06-74,899.78-31,629.58

Finding the Fourth Proportional to 54,275.06, 74,899.78 and 31,629.58

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Solution

The fourth proportional to 54,275.06, 74,899.78 and 31,629.58 is: 43,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.06 : 74,899.78 = 31,629.58 : x
  2. Step 2: Convert to fraction form
    54,275.06/74,899.78 = 31,629.58/x
  3. Step 3: Cross multiply
    54,275.06x = 74,899.78 × 31,629.58
  4. Step 4: Simplify right side
    54,275.06x = 2,369,048,583.49
  5. Step 5: Solve for x
    x = 2,369,048,583.49/54,275.06
  6. Step 6: Final answer
    x = 43,648.94

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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.