Home / 75,968.49-113,663.59-45,871.95

Finding the Fourth Proportional to 75,968.49, 113,663.59 and 45,871.95

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Solution

The fourth proportional to 75,968.49, 113,663.59 and 45,871.95 is: 68,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,968.49 : 113,663.59 = 45,871.95 : x
  2. Step 2: Convert to fraction form
    75,968.49/113,663.59 = 45,871.95/x
  3. Step 3: Cross multiply
    75,968.49x = 113,663.59 × 45,871.95
  4. Step 4: Simplify right side
    75,968.49x = 5,213,970,517.30
  5. Step 5: Solve for x
    x = 5,213,970,517.30/75,968.49
  6. Step 6: Final answer
    x = 68,633.33

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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.