Home / 108,538.20-162,807.30-58,771.80

Finding the Fourth Proportional to 108,538.20, 162,807.30 and 58,771.80

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Solution

The fourth proportional to 108,538.20, 162,807.30 and 58,771.80 is: 88,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,538.20 : 162,807.30 = 58,771.80 : x
  2. Step 2: Convert to fraction form
    108,538.20/162,807.30 = 58,771.80/x
  3. Step 3: Cross multiply
    108,538.20x = 162,807.30 × 58,771.80
  4. Step 4: Simplify right side
    108,538.20x = 9,568,478,074.14
  5. Step 5: Solve for x
    x = 9,568,478,074.14/108,538.20
  6. Step 6: Final answer
    x = 88,157.70

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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.