Home / 110,511.10-165,657.30-54,305.20

Finding the Fourth Proportional to 110,511.10, 165,657.30 and 54,305.20

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Solution

The fourth proportional to 110,511.10, 165,657.30 and 54,305.20 is: 81,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.10 : 165,657.30 = 54,305.20 : x
  2. Step 2: Convert to fraction form
    110,511.10/165,657.30 = 54,305.20/x
  3. Step 3: Cross multiply
    110,511.10x = 165,657.30 × 54,305.20
  4. Step 4: Simplify right side
    110,511.10x = 8,996,052,807.96
  5. Step 5: Solve for x
    x = 8,996,052,807.96/110,511.10
  6. Step 6: Final answer
    x = 81,404.07

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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.