Home / 68,084.60-93,918.42-40,853.66

Finding the Fourth Proportional to 68,084.60, 93,918.42 and 40,853.66

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Solution

The fourth proportional to 68,084.60, 93,918.42 and 40,853.66 is: 56,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084.60 : 93,918.42 = 40,853.66 : x
  2. Step 2: Convert to fraction form
    68,084.60/93,918.42 = 40,853.66/x
  3. Step 3: Cross multiply
    68,084.60x = 93,918.42 × 40,853.66
  4. Step 4: Simplify right side
    68,084.60x = 3,836,911,198.42
  5. Step 5: Solve for x
    x = 3,836,911,198.42/68,084.60
  6. Step 6: Final answer
    x = 56,355.05

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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.