Home / 108,568.12-162,854.21-33,690.70

Finding the Fourth Proportional to 108,568.12, 162,854.21 and 33,690.70

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Solution

The fourth proportional to 108,568.12, 162,854.21 and 33,690.70 is: 50,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,568.12 : 162,854.21 = 33,690.70 : x
  2. Step 2: Convert to fraction form
    108,568.12/162,854.21 = 33,690.70/x
  3. Step 3: Cross multiply
    108,568.12x = 162,854.21 × 33,690.70
  4. Step 4: Simplify right side
    108,568.12x = 5,486,672,164.39
  5. Step 5: Solve for x
    x = 5,486,672,164.39/108,568.12
  6. Step 6: Final answer
    x = 50,536.68

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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.