Home / 123,384.96-170,271.77-66,796.34

Finding the Fourth Proportional to 123,384.96, 170,271.77 and 66,796.34

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Solution

The fourth proportional to 123,384.96, 170,271.77 and 66,796.34 is: 92,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,384.96 : 170,271.77 = 66,796.34 : x
  2. Step 2: Convert to fraction form
    123,384.96/170,271.77 = 66,796.34/x
  3. Step 3: Cross multiply
    123,384.96x = 170,271.77 × 66,796.34
  4. Step 4: Simplify right side
    123,384.96x = 11,373,529,855.98
  5. Step 5: Solve for x
    x = 11,373,529,855.98/123,384.96
  6. Step 6: Final answer
    x = 92,179.22

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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.