Home / 68,774.36-94,911.08-40,112.37

Finding the Fourth Proportional to 68,774.36, 94,911.08 and 40,112.37

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Solution

The fourth proportional to 68,774.36, 94,911.08 and 40,112.37 is: 55,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774.36 : 94,911.08 = 40,112.37 : x
  2. Step 2: Convert to fraction form
    68,774.36/94,911.08 = 40,112.37/x
  3. Step 3: Cross multiply
    68,774.36x = 94,911.08 × 40,112.37
  4. Step 4: Simplify right side
    68,774.36x = 3,807,108,157.50
  5. Step 5: Solve for x
    x = 3,807,108,157.50/68,774.36
  6. Step 6: Final answer
    x = 55,356.51

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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.