Home / 108,173.42-162,318.22-45,037.12

Finding the Fourth Proportional to 108,173.42, 162,318.22 and 45,037.12

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Solution

The fourth proportional to 108,173.42, 162,318.22 and 45,037.12 is: 67,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,173.42 : 162,318.22 = 45,037.12 : x
  2. Step 2: Convert to fraction form
    108,173.42/162,318.22 = 45,037.12/x
  3. Step 3: Cross multiply
    108,173.42x = 162,318.22 × 45,037.12
  4. Step 4: Simplify right side
    108,173.42x = 7,310,345,152.33
  5. Step 5: Solve for x
    x = 7,310,345,152.33/108,173.42
  6. Step 6: Final answer
    x = 67,579.87

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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.