Home / 120,094.20-165,732.48-66,383.64

Finding the Fourth Proportional to 120,094.20, 165,732.48 and 66,383.64

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Solution

The fourth proportional to 120,094.20, 165,732.48 and 66,383.64 is: 91,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,094.20 : 165,732.48 = 66,383.64 : x
  2. Step 2: Convert to fraction form
    120,094.20/165,732.48 = 66,383.64/x
  3. Step 3: Cross multiply
    120,094.20x = 165,732.48 × 66,383.64
  4. Step 4: Simplify right side
    120,094.20x = 11,001,925,288.63
  5. Step 5: Solve for x
    x = 11,001,925,288.63/120,094.20
  6. Step 6: Final answer
    x = 91,610.80

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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.