Home / 73,589.58-110,385.38-20,999.04

Finding the Fourth Proportional to 73,589.58, 110,385.38 and 20,999.04

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Solution

The fourth proportional to 73,589.58, 110,385.38 and 20,999.04 is: 31,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,589.58 : 110,385.38 = 20,999.04 : x
  2. Step 2: Convert to fraction form
    73,589.58/110,385.38 = 20,999.04/x
  3. Step 3: Cross multiply
    73,589.58x = 110,385.38 × 20,999.04
  4. Step 4: Simplify right side
    73,589.58x = 2,317,987,010.04
  5. Step 5: Solve for x
    x = 2,317,987,010.04/73,589.58
  6. Step 6: Final answer
    x = 31,498.85

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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.