Home / 112,065.12-168,122.28-33,185.52

Finding the Fourth Proportional to 112,065.12, 168,122.28 and 33,185.52

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Solution

The fourth proportional to 112,065.12, 168,122.28 and 33,185.52 is: 49,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.12 : 168,122.28 = 33,185.52 : x
  2. Step 2: Convert to fraction form
    112,065.12/168,122.28 = 33,185.52/x
  3. Step 3: Cross multiply
    112,065.12x = 168,122.28 × 33,185.52
  4. Step 4: Simplify right side
    112,065.12x = 5,579,225,285.39
  5. Step 5: Solve for x
    x = 5,579,225,285.39/112,065.12
  6. Step 6: Final answer
    x = 49,785.56

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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.