Home / 68,811.28-103,078.68-41,094.16

Finding the Fourth Proportional to 68,811.28, 103,078.68 and 41,094.16

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Solution

The fourth proportional to 68,811.28, 103,078.68 and 41,094.16 is: 61,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,811.28 : 103,078.68 = 41,094.16 : x
  2. Step 2: Convert to fraction form
    68,811.28/103,078.68 = 41,094.16/x
  3. Step 3: Cross multiply
    68,811.28x = 103,078.68 × 41,094.16
  4. Step 4: Simplify right side
    68,811.28x = 4,235,931,768.51
  5. Step 5: Solve for x
    x = 4,235,931,768.51/68,811.28
  6. Step 6: Final answer
    x = 61,558.68

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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.