Home / 68,650.24-94,736.40-38,435.68

Finding the Fourth Proportional to 68,650.24, 94,736.40 and 38,435.68

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Solution

The fourth proportional to 68,650.24, 94,736.40 and 38,435.68 is: 53,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,650.24 : 94,736.40 = 38,435.68 : x
  2. Step 2: Convert to fraction form
    68,650.24/94,736.40 = 38,435.68/x
  3. Step 3: Cross multiply
    68,650.24x = 94,736.40 × 38,435.68
  4. Step 4: Simplify right side
    68,650.24x = 3,641,257,954.75
  5. Step 5: Solve for x
    x = 3,641,257,954.75/68,650.24
  6. Step 6: Final answer
    x = 53,040.72

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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.