Home / 117,416.33-162,042.68-66,429.26

Finding the Fourth Proportional to 117,416.33, 162,042.68 and 66,429.26

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Solution

The fourth proportional to 117,416.33, 162,042.68 and 66,429.26 is: 91,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,416.33 : 162,042.68 = 66,429.26 : x
  2. Step 2: Convert to fraction form
    117,416.33/162,042.68 = 66,429.26/x
  3. Step 3: Cross multiply
    117,416.33x = 162,042.68 × 66,429.26
  4. Step 4: Simplify right side
    117,416.33x = 10,764,374,910.67
  5. Step 5: Solve for x
    x = 10,764,374,910.67/117,416.33
  6. Step 6: Final answer
    x = 91,676.98

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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.