Home / 104,620.14-144,387.90-62,178.30

Finding the Fourth Proportional to 104,620.14, 144,387.90 and 62,178.30

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Solution

The fourth proportional to 104,620.14, 144,387.90 and 62,178.30 is: 85,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.14 : 144,387.90 = 62,178.30 : x
  2. Step 2: Convert to fraction form
    104,620.14/144,387.90 = 62,178.30/x
  3. Step 3: Cross multiply
    104,620.14x = 144,387.90 × 62,178.30
  4. Step 4: Simplify right side
    104,620.14x = 8,977,794,162.57
  5. Step 5: Solve for x
    x = 8,977,794,162.57/104,620.14
  6. Step 6: Final answer
    x = 85,813.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.