Home / 53,100.87-79,651.29-21,936.93

Finding the Fourth Proportional to 53,100.87, 79,651.29 and 21,936.93

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Solution

The fourth proportional to 53,100.87, 79,651.29 and 21,936.93 is: 32,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,100.87 : 79,651.29 = 21,936.93 : x
  2. Step 2: Convert to fraction form
    53,100.87/79,651.29 = 21,936.93/x
  3. Step 3: Cross multiply
    53,100.87x = 79,651.29 × 21,936.93
  4. Step 4: Simplify right side
    53,100.87x = 1,747,304,374.88
  5. Step 5: Solve for x
    x = 1,747,304,374.88/53,100.87
  6. Step 6: Final answer
    x = 32,905.38

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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.