Home / 57,861.19-86,651.63-40,041.92

Finding the Fourth Proportional to 57,861.19, 86,651.63 and 40,041.92

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Solution

The fourth proportional to 57,861.19, 86,651.63 and 40,041.92 is: 59,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.19 : 86,651.63 = 40,041.92 : x
  2. Step 2: Convert to fraction form
    57,861.19/86,651.63 = 40,041.92/x
  3. Step 3: Cross multiply
    57,861.19x = 86,651.63 × 40,041.92
  4. Step 4: Simplify right side
    57,861.19x = 3,469,697,736.43
  5. Step 5: Solve for x
    x = 3,469,697,736.43/57,861.19
  6. Step 6: Final answer
    x = 59,965.89

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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.