Home / 54,693.33-82,039.89-21,390.03

Finding the Fourth Proportional to 54,693.33, 82,039.89 and 21,390.03

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Solution

The fourth proportional to 54,693.33, 82,039.89 and 21,390.03 is: 32,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.33 : 82,039.89 = 21,390.03 : x
  2. Step 2: Convert to fraction form
    54,693.33/82,039.89 = 21,390.03/x
  3. Step 3: Cross multiply
    54,693.33x = 82,039.89 × 21,390.03
  4. Step 4: Simplify right side
    54,693.33x = 1,754,835,708.30
  5. Step 5: Solve for x
    x = 1,754,835,708.30/54,693.33
  6. Step 6: Final answer
    x = 32,085.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.