Home / 54,301.67-74,935.08-31,639.24

Finding the Fourth Proportional to 54,301.67, 74,935.08 and 31,639.24

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Solution

The fourth proportional to 54,301.67, 74,935.08 and 31,639.24 is: 43,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.67 : 74,935.08 = 31,639.24 : x
  2. Step 2: Convert to fraction form
    54,301.67/74,935.08 = 31,639.24/x
  3. Step 3: Cross multiply
    54,301.67x = 74,935.08 × 31,639.24
  4. Step 4: Simplify right side
    54,301.67x = 2,370,888,793.20
  5. Step 5: Solve for x
    x = 2,370,888,793.20/54,301.67
  6. Step 6: Final answer
    x = 43,661.44

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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.