Home / 53,311.16-79,940.01-17,759.99

Finding the Fourth Proportional to 53,311.16, 79,940.01 and 17,759.99

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Solution

The fourth proportional to 53,311.16, 79,940.01 and 17,759.99 is: 26,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.16 : 79,940.01 = 17,759.99 : x
  2. Step 2: Convert to fraction form
    53,311.16/79,940.01 = 17,759.99/x
  3. Step 3: Cross multiply
    53,311.16x = 79,940.01 × 17,759.99
  4. Step 4: Simplify right side
    53,311.16x = 1,419,733,778.20
  5. Step 5: Solve for x
    x = 1,419,733,778.20/53,311.16
  6. Step 6: Final answer
    x = 26,631.08

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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.