Home / 68,933.28-103,438.80-27,383.52

Finding the Fourth Proportional to 68,933.28, 103,438.80 and 27,383.52

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Solution

The fourth proportional to 68,933.28, 103,438.80 and 27,383.52 is: 41,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,933.28 : 103,438.80 = 27,383.52 : x
  2. Step 2: Convert to fraction form
    68,933.28/103,438.80 = 27,383.52/x
  3. Step 3: Cross multiply
    68,933.28x = 103,438.80 × 27,383.52
  4. Step 4: Simplify right side
    68,933.28x = 2,832,518,448.58
  5. Step 5: Solve for x
    x = 2,832,518,448.58/68,933.28
  6. Step 6: Final answer
    x = 41,090.72

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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.