Home / 73,020.41-100,768.94-40,758.11

Finding the Fourth Proportional to 73,020.41, 100,768.94 and 40,758.11

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Solution

The fourth proportional to 73,020.41, 100,768.94 and 40,758.11 is: 56,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020.41 : 100,768.94 = 40,758.11 : x
  2. Step 2: Convert to fraction form
    73,020.41/100,768.94 = 40,758.11/x
  3. Step 3: Cross multiply
    73,020.41x = 100,768.94 × 40,758.11
  4. Step 4: Simplify right side
    73,020.41x = 4,107,151,742.08
  5. Step 5: Solve for x
    x = 4,107,151,742.08/73,020.41
  6. Step 6: Final answer
    x = 56,246.62

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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.