Home / 68,663.11-94,738.75-41,805.31

Finding the Fourth Proportional to 68,663.11, 94,738.75 and 41,805.31

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Solution

The fourth proportional to 68,663.11, 94,738.75 and 41,805.31 is: 57,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,663.11 : 94,738.75 = 41,805.31 : x
  2. Step 2: Convert to fraction form
    68,663.11/94,738.75 = 41,805.31/x
  3. Step 3: Cross multiply
    68,663.11x = 94,738.75 × 41,805.31
  4. Step 4: Simplify right side
    68,663.11x = 3,960,582,812.76
  5. Step 5: Solve for x
    x = 3,960,582,812.76/68,663.11
  6. Step 6: Final answer
    x = 57,681.38

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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.