Home / 98,942.13-148,446-65,792.68

Finding the Fourth Proportional to 98,942.13, 148,446 and 65,792.68

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Solution

The fourth proportional to 98,942.13, 148,446 and 65,792.68 is: 98,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,942.13 : 148,446 = 65,792.68 : x
  2. Step 2: Convert to fraction form
    98,942.13/148,446 = 65,792.68/x
  3. Step 3: Cross multiply
    98,942.13x = 148,446 × 65,792.68
  4. Step 4: Simplify right side
    98,942.13x = 9,766,659,804.17
  5. Step 5: Solve for x
    x = 9,766,659,804.17/98,942.13
  6. Step 6: Final answer
    x = 98,710.83

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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.