Home / 68,636.40-94,719.24-41,780.04

Finding the Fourth Proportional to 68,636.40, 94,719.24 and 41,780.04

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Solution

The fourth proportional to 68,636.40, 94,719.24 and 41,780.04 is: 57,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636.40 : 94,719.24 = 41,780.04 : x
  2. Step 2: Convert to fraction form
    68,636.40/94,719.24 = 41,780.04/x
  3. Step 3: Cross multiply
    68,636.40x = 94,719.24 × 41,780.04
  4. Step 4: Simplify right side
    68,636.40x = 3,957,373,635.97
  5. Step 5: Solve for x
    x = 3,957,373,635.97/68,636.40
  6. Step 6: Final answer
    x = 57,657.07

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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.