Home / 68,704.20-94,820.58-40,412.52

Finding the Fourth Proportional to 68,704.20, 94,820.58 and 40,412.52

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Solution

The fourth proportional to 68,704.20, 94,820.58 and 40,412.52 is: 55,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,704.20 : 94,820.58 = 40,412.52 : x
  2. Step 2: Convert to fraction form
    68,704.20/94,820.58 = 40,412.52/x
  3. Step 3: Cross multiply
    68,704.20x = 94,820.58 × 40,412.52
  4. Step 4: Simplify right side
    68,704.20x = 3,831,938,585.66
  5. Step 5: Solve for x
    x = 3,831,938,585.66/68,704.20
  6. Step 6: Final answer
    x = 55,774.44

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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.