Home / 79,216.20-109,318.23-43,406.19

Finding the Fourth Proportional to 79,216.20, 109,318.23 and 43,406.19

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Solution

The fourth proportional to 79,216.20, 109,318.23 and 43,406.19 is: 59,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.20 : 109,318.23 = 43,406.19 : x
  2. Step 2: Convert to fraction form
    79,216.20/109,318.23 = 43,406.19/x
  3. Step 3: Cross multiply
    79,216.20x = 109,318.23 × 43,406.19
  4. Step 4: Simplify right side
    79,216.20x = 4,745,087,861.84
  5. Step 5: Solve for x
    x = 4,745,087,861.84/79,216.20
  6. Step 6: Final answer
    x = 59,900.47

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1.5x scale

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.