Home / 54,283.52-81,436.95-16,842.84

Finding the Fourth Proportional to 54,283.52, 81,436.95 and 16,842.84

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Solution

The fourth proportional to 54,283.52, 81,436.95 and 16,842.84 is: 25,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.52 : 81,436.95 = 16,842.84 : x
  2. Step 2: Convert to fraction form
    54,283.52/81,436.95 = 16,842.84/x
  3. Step 3: Cross multiply
    54,283.52x = 81,436.95 × 16,842.84
  4. Step 4: Simplify right side
    54,283.52x = 1,371,629,518.94
  5. Step 5: Solve for x
    x = 1,371,629,518.94/54,283.52
  6. Step 6: Final answer
    x = 25,267.88

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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.