Home / 112,511.20-168,785.70-33,633.40

Finding the Fourth Proportional to 112,511.20, 168,785.70 and 33,633.40

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Solution

The fourth proportional to 112,511.20, 168,785.70 and 33,633.40 is: 50,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.20 : 168,785.70 = 33,633.40 : x
  2. Step 2: Convert to fraction form
    112,511.20/168,785.70 = 33,633.40/x
  3. Step 3: Cross multiply
    112,511.20x = 168,785.70 × 33,633.40
  4. Step 4: Simplify right side
    112,511.20x = 5,676,836,962.38
  5. Step 5: Solve for x
    x = 5,676,836,962.38/112,511.20
  6. Step 6: Final answer
    x = 50,455.75

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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.