Home / 103,817.08-155,676.30-53,847.10

Finding the Fourth Proportional to 103,817.08, 155,676.30 and 53,847.10

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Solution

The fourth proportional to 103,817.08, 155,676.30 and 53,847.10 is: 80,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,817.08 : 155,676.30 = 53,847.10 : x
  2. Step 2: Convert to fraction form
    103,817.08/155,676.30 = 53,847.10/x
  3. Step 3: Cross multiply
    103,817.08x = 155,676.30 × 53,847.10
  4. Step 4: Simplify right side
    103,817.08x = 8,382,717,293.73
  5. Step 5: Solve for x
    x = 8,382,717,293.73/103,817.08
  6. Step 6: Final answer
    x = 80,745.07

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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.