Home / 110,431.30-165,648.39-31,548.10

Finding the Fourth Proportional to 110,431.30, 165,648.39 and 31,548.10

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Solution

The fourth proportional to 110,431.30, 165,648.39 and 31,548.10 is: 47,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,431.30 : 165,648.39 = 31,548.10 : x
  2. Step 2: Convert to fraction form
    110,431.30/165,648.39 = 31,548.10/x
  3. Step 3: Cross multiply
    110,431.30x = 165,648.39 × 31,548.10
  4. Step 4: Simplify right side
    110,431.30x = 5,225,891,972.56
  5. Step 5: Solve for x
    x = 5,225,891,972.56/110,431.30
  6. Step 6: Final answer
    x = 47,322.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.