Home / 92,743.92-139,136.04-30,412.08

Finding the Fourth Proportional to 92,743.92, 139,136.04 and 30,412.08

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Solution

The fourth proportional to 92,743.92, 139,136.04 and 30,412.08 is: 45,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.92 : 139,136.04 = 30,412.08 : x
  2. Step 2: Convert to fraction form
    92,743.92/139,136.04 = 30,412.08/x
  3. Step 3: Cross multiply
    92,743.92x = 139,136.04 × 30,412.08
  4. Step 4: Simplify right side
    92,743.92x = 4,231,416,379.36
  5. Step 5: Solve for x
    x = 4,231,416,379.36/92,743.92
  6. Step 6: Final answer
    x = 45,624.73

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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.