Home / 79,816.41-119,643.77-51,754.27

Finding the Fourth Proportional to 79,816.41, 119,643.77 and 51,754.27

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Solution

The fourth proportional to 79,816.41, 119,643.77 and 51,754.27 is: 77,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,816.41 : 119,643.77 = 51,754.27 : x
  2. Step 2: Convert to fraction form
    79,816.41/119,643.77 = 51,754.27/x
  3. Step 3: Cross multiply
    79,816.41x = 119,643.77 × 51,754.27
  4. Step 4: Simplify right side
    79,816.41x = 6,192,075,418.52
  5. Step 5: Solve for x
    x = 6,192,075,418.52/79,816.41
  6. Step 6: Final answer
    x = 77,578.98

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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.