Home / 54,874.10-82,311.15-53,999.30

Finding the Fourth Proportional to 54,874.10, 82,311.15 and 53,999.30

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Solution

The fourth proportional to 54,874.10, 82,311.15 and 53,999.30 is: 80,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.10 : 82,311.15 = 53,999.30 : x
  2. Step 2: Convert to fraction form
    54,874.10/82,311.15 = 53,999.30/x
  3. Step 3: Cross multiply
    54,874.10x = 82,311.15 × 53,999.30
  4. Step 4: Simplify right side
    54,874.10x = 4,444,744,482.20
  5. Step 5: Solve for x
    x = 4,444,744,482.20/54,874.10
  6. Step 6: Final answer
    x = 80,998.95

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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.