Home / 53,255.20-79,940.40-29,927.20

Finding the Fourth Proportional to 53,255.20, 79,940.40 and 29,927.20

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Solution

The fourth proportional to 53,255.20, 79,940.40 and 29,927.20 is: 44,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,255.20 : 79,940.40 = 29,927.20 : x
  2. Step 2: Convert to fraction form
    53,255.20/79,940.40 = 29,927.20/x
  3. Step 3: Cross multiply
    53,255.20x = 79,940.40 × 29,927.20
  4. Step 4: Simplify right side
    53,255.20x = 2,392,392,338.88
  5. Step 5: Solve for x
    x = 2,392,392,338.88/53,255.20
  6. Step 6: Final answer
    x = 44,923.17

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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.