Home / 68,968.74-95,165.34-40,680.02

Finding the Fourth Proportional to 68,968.74, 95,165.34 and 40,680.02

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Solution

The fourth proportional to 68,968.74, 95,165.34 and 40,680.02 is: 56,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,968.74 : 95,165.34 = 40,680.02 : x
  2. Step 2: Convert to fraction form
    68,968.74/95,165.34 = 40,680.02/x
  3. Step 3: Cross multiply
    68,968.74x = 95,165.34 × 40,680.02
  4. Step 4: Simplify right side
    68,968.74x = 3,871,327,934.51
  5. Step 5: Solve for x
    x = 3,871,327,934.51/68,968.74
  6. Step 6: Final answer
    x = 56,131.63

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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.