Home / 54,348.76-81,534.72-16,907.92

Finding the Fourth Proportional to 54,348.76, 81,534.72 and 16,907.92

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Solution

The fourth proportional to 54,348.76, 81,534.72 and 16,907.92 is: 25,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.76 : 81,534.72 = 16,907.92 : x
  2. Step 2: Convert to fraction form
    54,348.76/81,534.72 = 16,907.92/x
  3. Step 3: Cross multiply
    54,348.76x = 81,534.72 × 16,907.92
  4. Step 4: Simplify right side
    54,348.76x = 1,378,582,522.98
  5. Step 5: Solve for x
    x = 1,378,582,522.98/54,348.76
  6. Step 6: Final answer
    x = 25,365.48

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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.