Home / 68,135.67-94,027.14-42,284.61

Finding the Fourth Proportional to 68,135.67, 94,027.14 and 42,284.61

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Solution

The fourth proportional to 68,135.67, 94,027.14 and 42,284.61 is: 58,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135.67 : 94,027.14 = 42,284.61 : x
  2. Step 2: Convert to fraction form
    68,135.67/94,027.14 = 42,284.61/x
  3. Step 3: Cross multiply
    68,135.67x = 94,027.14 × 42,284.61
  4. Step 4: Simplify right side
    68,135.67x = 3,975,900,944.32
  5. Step 5: Solve for x
    x = 3,975,900,944.32/68,135.67
  6. Step 6: Final answer
    x = 58,352.71

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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.