Home / 54,781.52-82,122.93-19,696.50

Finding the Fourth Proportional to 54,781.52, 82,122.93 and 19,696.50

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Solution

The fourth proportional to 54,781.52, 82,122.93 and 19,696.50 is: 29,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.52 : 82,122.93 = 19,696.50 : x
  2. Step 2: Convert to fraction form
    54,781.52/82,122.93 = 19,696.50/x
  3. Step 3: Cross multiply
    54,781.52x = 82,122.93 × 19,696.50
  4. Step 4: Simplify right side
    54,781.52x = 1,617,534,290.75
  5. Step 5: Solve for x
    x = 1,617,534,290.75/54,781.52
  6. Step 6: Final answer
    x = 29,527.01

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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.