Home / 79,719.72-119,563.26-29,790.60

Finding the Fourth Proportional to 79,719.72, 119,563.26 and 29,790.60

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Solution

The fourth proportional to 79,719.72, 119,563.26 and 29,790.60 is: 44,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719.72 : 119,563.26 = 29,790.60 : x
  2. Step 2: Convert to fraction form
    79,719.72/119,563.26 = 29,790.60/x
  3. Step 3: Cross multiply
    79,719.72x = 119,563.26 × 29,790.60
  4. Step 4: Simplify right side
    79,719.72x = 3,561,861,253.36
  5. Step 5: Solve for x
    x = 3,561,861,253.36/79,719.72
  6. Step 6: Final answer
    x = 44,679.80

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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.