Home / 53,825.87-80,744.30-20,573.92

Finding the Fourth Proportional to 53,825.87, 80,744.30 and 20,573.92

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Solution

The fourth proportional to 53,825.87, 80,744.30 and 20,573.92 is: 30,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,825.87 : 80,744.30 = 20,573.92 : x
  2. Step 2: Convert to fraction form
    53,825.87/80,744.30 = 20,573.92/x
  3. Step 3: Cross multiply
    53,825.87x = 80,744.30 × 20,573.92
  4. Step 4: Simplify right side
    53,825.87x = 1,661,226,768.66
  5. Step 5: Solve for x
    x = 1,661,226,768.66/53,825.87
  6. Step 6: Final answer
    x = 30,862.98

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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.