Home / 92,650.12-139,161.16-55,283.12

Finding the Fourth Proportional to 92,650.12, 139,161.16 and 55,283.12

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Solution

The fourth proportional to 92,650.12, 139,161.16 and 55,283.12 is: 83,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,650.12 : 139,161.16 = 55,283.12 : x
  2. Step 2: Convert to fraction form
    92,650.12/139,161.16 = 55,283.12/x
  3. Step 3: Cross multiply
    92,650.12x = 139,161.16 × 55,283.12
  4. Step 4: Simplify right side
    92,650.12x = 7,693,263,107.62
  5. Step 5: Solve for x
    x = 7,693,263,107.62/92,650.12
  6. Step 6: Final answer
    x = 83,035.65

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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.