Home / 91,082.54-136,583.69-41,160.62

Finding the Fourth Proportional to 91,082.54, 136,583.69 and 41,160.62

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Solution

The fourth proportional to 91,082.54, 136,583.69 and 41,160.62 is: 61,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,082.54 : 136,583.69 = 41,160.62 : x
  2. Step 2: Convert to fraction form
    91,082.54/136,583.69 = 41,160.62/x
  3. Step 3: Cross multiply
    91,082.54x = 136,583.69 × 41,160.62
  4. Step 4: Simplify right side
    91,082.54x = 5,621,869,497.94
  5. Step 5: Solve for x
    x = 5,621,869,497.94/91,082.54
  6. Step 6: Final answer
    x = 61,722.80

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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.