Home / 53,933.18-80,911.30-18,873.98

Finding the Fourth Proportional to 53,933.18, 80,911.30 and 18,873.98

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Solution

The fourth proportional to 53,933.18, 80,911.30 and 18,873.98 is: 28,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.18 : 80,911.30 = 18,873.98 : x
  2. Step 2: Convert to fraction form
    53,933.18/80,911.30 = 18,873.98/x
  3. Step 3: Cross multiply
    53,933.18x = 80,911.30 × 18,873.98
  4. Step 4: Simplify right side
    53,933.18x = 1,527,118,257.97
  5. Step 5: Solve for x
    x = 1,527,118,257.97/53,933.18
  6. Step 6: Final answer
    x = 28,315.00

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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.