Home / 110,537.67-165,790.35-54,362.70

Finding the Fourth Proportional to 110,537.67, 165,790.35 and 54,362.70

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Solution

The fourth proportional to 110,537.67, 165,790.35 and 54,362.70 is: 81,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,537.67 : 165,790.35 = 54,362.70 : x
  2. Step 2: Convert to fraction form
    110,537.67/165,790.35 = 54,362.70/x
  3. Step 3: Cross multiply
    110,537.67x = 165,790.35 × 54,362.70
  4. Step 4: Simplify right side
    110,537.67x = 9,012,811,059.95
  5. Step 5: Solve for x
    x = 9,012,811,059.95/110,537.67
  6. Step 6: Final answer
    x = 81,536.10

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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.