Home / 112,069.12-168,128.28-33,189.52

Finding the Fourth Proportional to 112,069.12, 168,128.28 and 33,189.52

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Solution

The fourth proportional to 112,069.12, 168,128.28 and 33,189.52 is: 49,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.12 : 168,128.28 = 33,189.52 : x
  2. Step 2: Convert to fraction form
    112,069.12/168,128.28 = 33,189.52/x
  3. Step 3: Cross multiply
    112,069.12x = 168,128.28 × 33,189.52
  4. Step 4: Simplify right side
    112,069.12x = 5,580,096,911.63
  5. Step 5: Solve for x
    x = 5,580,096,911.63/112,069.12
  6. Step 6: Final answer
    x = 49,791.57

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1.5x scale

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.