Home / 108,519.30-162,827.55-38,448.90

Finding the Fourth Proportional to 108,519.30, 162,827.55 and 38,448.90

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Solution

The fourth proportional to 108,519.30, 162,827.55 and 38,448.90 is: 57,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519.30 : 162,827.55 = 38,448.90 : x
  2. Step 2: Convert to fraction form
    108,519.30/162,827.55 = 38,448.90/x
  3. Step 3: Cross multiply
    108,519.30x = 162,827.55 × 38,448.90
  4. Step 4: Simplify right side
    108,519.30x = 6,260,540,187.20
  5. Step 5: Solve for x
    x = 6,260,540,187.20/108,519.30
  6. Step 6: Final answer
    x = 57,690.57

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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.