Home / 68,777.12-103,634.33-56,570.60

Finding the Fourth Proportional to 68,777.12, 103,634.33 and 56,570.60

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Solution

The fourth proportional to 68,777.12, 103,634.33 and 56,570.60 is: 85,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.12 : 103,634.33 = 56,570.60 : x
  2. Step 2: Convert to fraction form
    68,777.12/103,634.33 = 56,570.60/x
  3. Step 3: Cross multiply
    68,777.12x = 103,634.33 × 56,570.60
  4. Step 4: Simplify right side
    68,777.12x = 5,862,656,228.70
  5. Step 5: Solve for x
    x = 5,862,656,228.70/68,777.12
  6. Step 6: Final answer
    x = 85,241.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.