Home / 68,131.20-94,023.27-42,629.43

Finding the Fourth Proportional to 68,131.20, 94,023.27 and 42,629.43

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Solution

The fourth proportional to 68,131.20, 94,023.27 and 42,629.43 is: 58,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.20 : 94,023.27 = 42,629.43 : x
  2. Step 2: Convert to fraction form
    68,131.20/94,023.27 = 42,629.43/x
  3. Step 3: Cross multiply
    68,131.20x = 94,023.27 × 42,629.43
  4. Step 4: Simplify right side
    68,131.20x = 4,008,158,406.84
  5. Step 5: Solve for x
    x = 4,008,158,406.84/68,131.20
  6. Step 6: Final answer
    x = 58,830.00

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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.