Home / 68,258.30-102,431.18-33,178.82

Finding the Fourth Proportional to 68,258.30, 102,431.18 and 33,178.82

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Solution

The fourth proportional to 68,258.30, 102,431.18 and 33,178.82 is: 49,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,258.30 : 102,431.18 = 33,178.82 : x
  2. Step 2: Convert to fraction form
    68,258.30/102,431.18 = 33,178.82/x
  3. Step 3: Cross multiply
    68,258.30x = 102,431.18 × 33,178.82
  4. Step 4: Simplify right side
    68,258.30x = 3,398,545,254.40
  5. Step 5: Solve for x
    x = 3,398,545,254.40/68,258.30
  6. Step 6: Final answer
    x = 49,789.48

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1.5x scale

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.