Home / 74,786.52-112,166.82-19,382.52

Finding the Fourth Proportional to 74,786.52, 112,166.82 and 19,382.52

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Solution

The fourth proportional to 74,786.52, 112,166.82 and 19,382.52 is: 29,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.52 : 112,166.82 = 19,382.52 : x
  2. Step 2: Convert to fraction form
    74,786.52/112,166.82 = 19,382.52/x
  3. Step 3: Cross multiply
    74,786.52x = 112,166.82 × 19,382.52
  4. Step 4: Simplify right side
    74,786.52x = 2,174,075,631.99
  5. Step 5: Solve for x
    x = 2,174,075,631.99/74,786.52
  6. Step 6: Final answer
    x = 29,070.42

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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.