Home / 51,171.42-76,692.63-27,420.06

Finding the Fourth Proportional to 51,171.42, 76,692.63 and 27,420.06

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Solution

The fourth proportional to 51,171.42, 76,692.63 and 27,420.06 is: 41,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.42 : 76,692.63 = 27,420.06 : x
  2. Step 2: Convert to fraction form
    51,171.42/76,692.63 = 27,420.06/x
  3. Step 3: Cross multiply
    51,171.42x = 76,692.63 × 27,420.06
  4. Step 4: Simplify right side
    51,171.42x = 2,102,916,516.16
  5. Step 5: Solve for x
    x = 2,102,916,516.16/51,171.42
  6. Step 6: Final answer
    x = 41,095.53

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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.