Home / 68,961.97-95,185.70-40,686.49

Finding the Fourth Proportional to 68,961.97, 95,185.70 and 40,686.49

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Solution

The fourth proportional to 68,961.97, 95,185.70 and 40,686.49 is: 56,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,961.97 : 95,185.70 = 40,686.49 : x
  2. Step 2: Convert to fraction form
    68,961.97/95,185.70 = 40,686.49/x
  3. Step 3: Cross multiply
    68,961.97x = 95,185.70 × 40,686.49
  4. Step 4: Simplify right side
    68,961.97x = 3,872,772,031.19
  5. Step 5: Solve for x
    x = 3,872,772,031.19/68,961.97
  6. Step 6: Final answer
    x = 56,158.08

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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.