Home / 68,795.36-94,936.56-38,580.72

Finding the Fourth Proportional to 68,795.36, 94,936.56 and 38,580.72

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Solution

The fourth proportional to 68,795.36, 94,936.56 and 38,580.72 is: 53,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,795.36 : 94,936.56 = 38,580.72 : x
  2. Step 2: Convert to fraction form
    68,795.36/94,936.56 = 38,580.72/x
  3. Step 3: Cross multiply
    68,795.36x = 94,936.56 × 38,580.72
  4. Step 4: Simplify right side
    68,795.36x = 3,662,720,839.12
  5. Step 5: Solve for x
    x = 3,662,720,839.12/68,795.36
  6. Step 6: Final answer
    x = 53,240.81

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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.