Home / 68,411.03-94,419.50-40,817.46

Finding the Fourth Proportional to 68,411.03, 94,419.50 and 40,817.46

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Solution

The fourth proportional to 68,411.03, 94,419.50 and 40,817.46 is: 56,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,411.03 : 94,419.50 = 40,817.46 : x
  2. Step 2: Convert to fraction form
    68,411.03/94,419.50 = 40,817.46/x
  3. Step 3: Cross multiply
    68,411.03x = 94,419.50 × 40,817.46
  4. Step 4: Simplify right side
    68,411.03x = 3,853,963,960.38
  5. Step 5: Solve for x
    x = 3,853,963,960.38/68,411.03
  6. Step 6: Final answer
    x = 56,335.42

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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.