Home / 92,940.49-139,332.36-40,310.34

Finding the Fourth Proportional to 92,940.49, 139,332.36 and 40,310.34

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Solution

The fourth proportional to 92,940.49, 139,332.36 and 40,310.34 is: 60,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.49 : 139,332.36 = 40,310.34 : x
  2. Step 2: Convert to fraction form
    92,940.49/139,332.36 = 40,310.34/x
  3. Step 3: Cross multiply
    92,940.49x = 139,332.36 × 40,310.34
  4. Step 4: Simplify right side
    92,940.49x = 5,616,534,804.60
  5. Step 5: Solve for x
    x = 5,616,534,804.60/92,940.49
  6. Step 6: Final answer
    x = 60,431.52

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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.