Home / 112,075.12-168,137.28-33,195.52

Finding the Fourth Proportional to 112,075.12, 168,137.28 and 33,195.52

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Solution

The fourth proportional to 112,075.12, 168,137.28 and 33,195.52 is: 49,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075.12 : 168,137.28 = 33,195.52 : x
  2. Step 2: Convert to fraction form
    112,075.12/168,137.28 = 33,195.52/x
  3. Step 3: Cross multiply
    112,075.12x = 168,137.28 × 33,195.52
  4. Step 4: Simplify right side
    112,075.12x = 5,581,404,440.99
  5. Step 5: Solve for x
    x = 5,581,404,440.99/112,075.12
  6. Step 6: Final answer
    x = 49,800.57

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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.