Home / 68,729.68-94,835.40-41,857.36

Finding the Fourth Proportional to 68,729.68, 94,835.40 and 41,857.36

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Solution

The fourth proportional to 68,729.68, 94,835.40 and 41,857.36 is: 57,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,729.68 : 94,835.40 = 41,857.36 : x
  2. Step 2: Convert to fraction form
    68,729.68/94,835.40 = 41,857.36/x
  3. Step 3: Cross multiply
    68,729.68x = 94,835.40 × 41,857.36
  4. Step 4: Simplify right side
    68,729.68x = 3,969,559,478.54
  5. Step 5: Solve for x
    x = 3,969,559,478.54/68,729.68
  6. Step 6: Final answer
    x = 57,756.12

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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.