Home / 68,947.12-103,421.04-27,394.24

Finding the Fourth Proportional to 68,947.12, 103,421.04 and 27,394.24

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Solution

The fourth proportional to 68,947.12, 103,421.04 and 27,394.24 is: 41,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.12 : 103,421.04 = 27,394.24 : x
  2. Step 2: Convert to fraction form
    68,947.12/103,421.04 = 27,394.24/x
  3. Step 3: Cross multiply
    68,947.12x = 103,421.04 × 27,394.24
  4. Step 4: Simplify right side
    68,947.12x = 2,833,140,790.81
  5. Step 5: Solve for x
    x = 2,833,140,790.81/68,947.12
  6. Step 6: Final answer
    x = 41,091.50

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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.