Home / 54,287.77-74,911.07-31,622.02

Finding the Fourth Proportional to 54,287.77, 74,911.07 and 31,622.02

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Solution

The fourth proportional to 54,287.77, 74,911.07 and 31,622.02 is: 43,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,287.77 : 74,911.07 = 31,622.02 : x
  2. Step 2: Convert to fraction form
    54,287.77/74,911.07 = 31,622.02/x
  3. Step 3: Cross multiply
    54,287.77x = 74,911.07 × 31,622.02
  4. Step 4: Simplify right side
    54,287.77x = 2,368,839,353.76
  5. Step 5: Solve for x
    x = 2,368,839,353.76/54,287.77
  6. Step 6: Final answer
    x = 43,634.86

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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.