Home / 68,511.68-94,561.37-41,648.50

Finding the Fourth Proportional to 68,511.68, 94,561.37 and 41,648.50

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Solution

The fourth proportional to 68,511.68, 94,561.37 and 41,648.50 is: 57,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,511.68 : 94,561.37 = 41,648.50 : x
  2. Step 2: Convert to fraction form
    68,511.68/94,561.37 = 41,648.50/x
  3. Step 3: Cross multiply
    68,511.68x = 94,561.37 × 41,648.50
  4. Step 4: Simplify right side
    68,511.68x = 3,938,339,218.45
  5. Step 5: Solve for x
    x = 3,938,339,218.45/68,511.68
  6. Step 6: Final answer
    x = 57,484.20

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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.