Home / 73,291.20-109,861.74-28,899.96

Finding the Fourth Proportional to 73,291.20, 109,861.74 and 28,899.96

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Solution

The fourth proportional to 73,291.20, 109,861.74 and 28,899.96 is: 43,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291.20 : 109,861.74 = 28,899.96 : x
  2. Step 2: Convert to fraction form
    73,291.20/109,861.74 = 28,899.96/x
  3. Step 3: Cross multiply
    73,291.20x = 109,861.74 × 28,899.96
  4. Step 4: Simplify right side
    73,291.20x = 3,174,999,891.53
  5. Step 5: Solve for x
    x = 3,174,999,891.53/73,291.20
  6. Step 6: Final answer
    x = 43,320.34

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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.