Home / 61,727.40-85,183.86-34,869.96

Finding the Fourth Proportional to 61,727.40, 85,183.86 and 34,869.96

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Solution

The fourth proportional to 61,727.40, 85,183.86 and 34,869.96 is: 48,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,727.40 : 85,183.86 = 34,869.96 : x
  2. Step 2: Convert to fraction form
    61,727.40/85,183.86 = 34,869.96/x
  3. Step 3: Cross multiply
    61,727.40x = 85,183.86 × 34,869.96
  4. Step 4: Simplify right side
    61,727.40x = 2,970,357,790.85
  5. Step 5: Solve for x
    x = 2,970,357,790.85/61,727.40
  6. Step 6: Final answer
    x = 48,120.57

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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.