Home / 92,998.19-139,495.47-30,668.69

Finding the Fourth Proportional to 92,998.19, 139,495.47 and 30,668.69

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Solution

The fourth proportional to 92,998.19, 139,495.47 and 30,668.69 is: 46,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,998.19 : 139,495.47 = 30,668.69 : x
  2. Step 2: Convert to fraction form
    92,998.19/139,495.47 = 30,668.69/x
  3. Step 3: Cross multiply
    92,998.19x = 139,495.47 × 30,668.69
  4. Step 4: Simplify right side
    92,998.19x = 4,278,143,559.57
  5. Step 5: Solve for x
    x = 4,278,143,559.57/92,998.19
  6. Step 6: Final answer
    x = 46,002.44

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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.