Home / 68,784.28-103,272.06-35,528.92

Finding the Fourth Proportional to 68,784.28, 103,272.06 and 35,528.92

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Solution

The fourth proportional to 68,784.28, 103,272.06 and 35,528.92 is: 53,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.28 : 103,272.06 = 35,528.92 : x
  2. Step 2: Convert to fraction form
    68,784.28/103,272.06 = 35,528.92/x
  3. Step 3: Cross multiply
    68,784.28x = 103,272.06 × 35,528.92
  4. Step 4: Simplify right side
    68,784.28x = 3,669,144,757.98
  5. Step 5: Solve for x
    x = 3,669,144,757.98/68,784.28
  6. Step 6: Final answer
    x = 53,342.78

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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.