Home / 53,921.84-80,891.40-15,974.96

Finding the Fourth Proportional to 53,921.84, 80,891.40 and 15,974.96

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Solution

The fourth proportional to 53,921.84, 80,891.40 and 15,974.96 is: 23,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.84 : 80,891.40 = 15,974.96 : x
  2. Step 2: Convert to fraction form
    53,921.84/80,891.40 = 15,974.96/x
  3. Step 3: Cross multiply
    53,921.84x = 80,891.40 × 15,974.96
  4. Step 4: Simplify right side
    53,921.84x = 1,292,236,879.34
  5. Step 5: Solve for x
    x = 1,292,236,879.34/53,921.84
  6. Step 6: Final answer
    x = 23,965.00

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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.