Home / 108,107.12-162,157.14-48,942.80

Finding the Fourth Proportional to 108,107.12, 162,157.14 and 48,942.80

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Solution

The fourth proportional to 108,107.12, 162,157.14 and 48,942.80 is: 73,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,107.12 : 162,157.14 = 48,942.80 : x
  2. Step 2: Convert to fraction form
    108,107.12/162,157.14 = 48,942.80/x
  3. Step 3: Cross multiply
    108,107.12x = 162,157.14 × 48,942.80
  4. Step 4: Simplify right side
    108,107.12x = 7,936,424,471.59
  5. Step 5: Solve for x
    x = 7,936,424,471.59/108,107.12
  6. Step 6: Final answer
    x = 73,412.60

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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.