Home / 116,974.08-161,425.20-66,676.32

Finding the Fourth Proportional to 116,974.08, 161,425.20 and 66,676.32

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Solution

The fourth proportional to 116,974.08, 161,425.20 and 66,676.32 is: 92,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,974.08 : 161,425.20 = 66,676.32 : x
  2. Step 2: Convert to fraction form
    116,974.08/161,425.20 = 66,676.32/x
  3. Step 3: Cross multiply
    116,974.08x = 161,425.20 × 66,676.32
  4. Step 4: Simplify right side
    116,974.08x = 10,763,238,291.26
  5. Step 5: Solve for x
    x = 10,763,238,291.26/116,974.08
  6. Step 6: Final answer
    x = 92,013.87

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1.5x scale

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.