Home / 68,419.24-94,418.98-40,125.48

Finding the Fourth Proportional to 68,419.24, 94,418.98 and 40,125.48

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Solution

The fourth proportional to 68,419.24, 94,418.98 and 40,125.48 is: 55,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,419.24 : 94,418.98 = 40,125.48 : x
  2. Step 2: Convert to fraction form
    68,419.24/94,418.98 = 40,125.48/x
  3. Step 3: Cross multiply
    68,419.24x = 94,418.98 × 40,125.48
  4. Step 4: Simplify right side
    68,419.24x = 3,788,606,893.61
  5. Step 5: Solve for x
    x = 3,788,606,893.61/68,419.24
  6. Step 6: Final answer
    x = 55,373.41

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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.