Home / 54,028.77-74,557.31-31,365.99

Finding the Fourth Proportional to 54,028.77, 74,557.31 and 31,365.99

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Solution

The fourth proportional to 54,028.77, 74,557.31 and 31,365.99 is: 43,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.77 : 74,557.31 = 31,365.99 : x
  2. Step 2: Convert to fraction form
    54,028.77/74,557.31 = 31,365.99/x
  3. Step 3: Cross multiply
    54,028.77x = 74,557.31 × 31,365.99
  4. Step 4: Simplify right side
    54,028.77x = 2,338,563,683.06
  5. Step 5: Solve for x
    x = 2,338,563,683.06/54,028.77
  6. Step 6: Final answer
    x = 43,283.67

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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.