Home / 124,834.92-172,262.83-71,109.43

Finding the Fourth Proportional to 124,834.92, 172,262.83 and 71,109.43

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Solution

The fourth proportional to 124,834.92, 172,262.83 and 71,109.43 is: 98,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.92 : 172,262.83 = 71,109.43 : x
  2. Step 2: Convert to fraction form
    124,834.92/172,262.83 = 71,109.43/x
  3. Step 3: Cross multiply
    124,834.92x = 172,262.83 × 71,109.43
  4. Step 4: Simplify right side
    124,834.92x = 12,249,511,651.49
  5. Step 5: Solve for x
    x = 12,249,511,651.49/124,834.92
  6. Step 6: Final answer
    x = 98,125.68

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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.