Home / 117,732.96-162,507.06-80,029.08

Finding the Fourth Proportional to 117,732.96, 162,507.06 and 80,029.08

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Solution

The fourth proportional to 117,732.96, 162,507.06 and 80,029.08 is: 110,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,732.96 : 162,507.06 = 80,029.08 : x
  2. Step 2: Convert to fraction form
    117,732.96/162,507.06 = 80,029.08/x
  3. Step 3: Cross multiply
    117,732.96x = 162,507.06 × 80,029.08
  4. Step 4: Simplify right side
    117,732.96x = 13,005,290,505.30
  5. Step 5: Solve for x
    x = 13,005,290,505.30/117,732.96
  6. Step 6: Final answer
    x = 110,464.31

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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.