Home / 84,221.30-116,244.96-55,546.16

Finding the Fourth Proportional to 84,221.30, 116,244.96 and 55,546.16

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Solution

The fourth proportional to 84,221.30, 116,244.96 and 55,546.16 is: 76,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,221.30 : 116,244.96 = 55,546.16 : x
  2. Step 2: Convert to fraction form
    84,221.30/116,244.96 = 55,546.16/x
  3. Step 3: Cross multiply
    84,221.30x = 116,244.96 × 55,546.16
  4. Step 4: Simplify right side
    84,221.30x = 6,456,961,147.35
  5. Step 5: Solve for x
    x = 6,456,961,147.35/84,221.30
  6. Step 6: Final answer
    x = 76,666.61

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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.