Home / 68,655.12-103,004.28-29,191.92

Finding the Fourth Proportional to 68,655.12, 103,004.28 and 29,191.92

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Solution

The fourth proportional to 68,655.12, 103,004.28 and 29,191.92 is: 43,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,655.12 : 103,004.28 = 29,191.92 : x
  2. Step 2: Convert to fraction form
    68,655.12/103,004.28 = 29,191.92/x
  3. Step 3: Cross multiply
    68,655.12x = 103,004.28 × 29,191.92
  4. Step 4: Simplify right side
    68,655.12x = 3,006,892,701.42
  5. Step 5: Solve for x
    x = 3,006,892,701.42/68,655.12
  6. Step 6: Final answer
    x = 43,797.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.