Home / 53,838.61-80,774.46-27,561.80

Finding the Fourth Proportional to 53,838.61, 80,774.46 and 27,561.80

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Solution

The fourth proportional to 53,838.61, 80,774.46 and 27,561.80 is: 41,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.61 : 80,774.46 = 27,561.80 : x
  2. Step 2: Convert to fraction form
    53,838.61/80,774.46 = 27,561.80/x
  3. Step 3: Cross multiply
    53,838.61x = 80,774.46 × 27,561.80
  4. Step 4: Simplify right side
    53,838.61x = 2,226,289,713.56
  5. Step 5: Solve for x
    x = 2,226,289,713.56/53,838.61
  6. Step 6: Final answer
    x = 41,351.18

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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.