Home / 110,314.30-165,444.11-31,429.21

Finding the Fourth Proportional to 110,314.30, 165,444.11 and 31,429.21

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Solution

The fourth proportional to 110,314.30, 165,444.11 and 31,429.21 is: 47,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,314.30 : 165,444.11 = 31,429.21 : x
  2. Step 2: Convert to fraction form
    110,314.30/165,444.11 = 31,429.21/x
  3. Step 3: Cross multiply
    110,314.30x = 165,444.11 × 31,429.21
  4. Step 4: Simplify right side
    110,314.30x = 5,199,777,676.45
  5. Step 5: Solve for x
    x = 5,199,777,676.45/110,314.30
  6. Step 6: Final answer
    x = 47,136.03

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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.