Home / 110,045.45-165,068.19-57,442.64

Finding the Fourth Proportional to 110,045.45, 165,068.19 and 57,442.64

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Solution

The fourth proportional to 110,045.45, 165,068.19 and 57,442.64 is: 86,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,045.45 : 165,068.19 = 57,442.64 : x
  2. Step 2: Convert to fraction form
    110,045.45/165,068.19 = 57,442.64/x
  3. Step 3: Cross multiply
    110,045.45x = 165,068.19 × 57,442.64
  4. Step 4: Simplify right side
    110,045.45x = 9,481,951,788.28
  5. Step 5: Solve for x
    x = 9,481,951,788.28/110,045.45
  6. Step 6: Final answer
    x = 86,163.96

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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.