Home / 68,814.49-94,983.65-40,536.49

Finding the Fourth Proportional to 68,814.49, 94,983.65 and 40,536.49

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Solution

The fourth proportional to 68,814.49, 94,983.65 and 40,536.49 is: 55,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,814.49 : 94,983.65 = 40,536.49 : x
  2. Step 2: Convert to fraction form
    68,814.49/94,983.65 = 40,536.49/x
  3. Step 3: Cross multiply
    68,814.49x = 94,983.65 × 40,536.49
  4. Step 4: Simplify right side
    68,814.49x = 3,850,303,778.39
  5. Step 5: Solve for x
    x = 3,850,303,778.39/68,814.49
  6. Step 6: Final answer
    x = 55,951.93

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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.