Home / 123,690.11-170,692.67-67,101.48

Finding the Fourth Proportional to 123,690.11, 170,692.67 and 67,101.48

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Solution

The fourth proportional to 123,690.11, 170,692.67 and 67,101.48 is: 92,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,690.11 : 170,692.67 = 67,101.48 : x
  2. Step 2: Convert to fraction form
    123,690.11/170,692.67 = 67,101.48/x
  3. Step 3: Cross multiply
    123,690.11x = 170,692.67 × 67,101.48
  4. Step 4: Simplify right side
    123,690.11x = 11,453,730,782.15
  5. Step 5: Solve for x
    x = 11,453,730,782.15/123,690.11
  6. Step 6: Final answer
    x = 92,600.22

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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.