Home / 79,609.28-109,861.00-43,801.52

Finding the Fourth Proportional to 79,609.28, 109,861.00 and 43,801.52

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Solution

The fourth proportional to 79,609.28, 109,861.00 and 43,801.52 is: 60,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,609.28 : 109,861.00 = 43,801.52 : x
  2. Step 2: Convert to fraction form
    79,609.28/109,861.00 = 43,801.52/x
  3. Step 3: Cross multiply
    79,609.28x = 109,861.00 × 43,801.52
  4. Step 4: Simplify right side
    79,609.28x = 4,812,078,129.91
  5. Step 5: Solve for x
    x = 4,812,078,129.91/79,609.28
  6. Step 6: Final answer
    x = 60,446.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.