Home / 123,941.12-171,039.81-67,352.49

Finding the Fourth Proportional to 123,941.12, 171,039.81 and 67,352.49

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Solution

The fourth proportional to 123,941.12, 171,039.81 and 67,352.49 is: 92,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.12 : 171,039.81 = 67,352.49 : x
  2. Step 2: Convert to fraction form
    123,941.12/171,039.81 = 67,352.49/x
  3. Step 3: Cross multiply
    123,941.12x = 171,039.81 × 67,352.49
  4. Step 4: Simplify right side
    123,941.12x = 11,519,957,092.63
  5. Step 5: Solve for x
    x = 11,519,957,092.63/123,941.12
  6. Step 6: Final answer
    x = 92,947.02

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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.