Home / 68,468.08-94,485.31-38,258.61

Finding the Fourth Proportional to 68,468.08, 94,485.31 and 38,258.61

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Solution

The fourth proportional to 68,468.08, 94,485.31 and 38,258.61 is: 52,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,468.08 : 94,485.31 = 38,258.61 : x
  2. Step 2: Convert to fraction form
    68,468.08/94,485.31 = 38,258.61/x
  3. Step 3: Cross multiply
    68,468.08x = 94,485.31 × 38,258.61
  4. Step 4: Simplify right side
    68,468.08x = 3,614,876,319.52
  5. Step 5: Solve for x
    x = 3,614,876,319.52/68,468.08
  6. Step 6: Final answer
    x = 52,796.52

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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.