Home / 68,380.61-94,252.30-45,711.33

Finding the Fourth Proportional to 68,380.61, 94,252.30 and 45,711.33

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Solution

The fourth proportional to 68,380.61, 94,252.30 and 45,711.33 is: 63,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.61 : 94,252.30 = 45,711.33 : x
  2. Step 2: Convert to fraction form
    68,380.61/94,252.30 = 45,711.33/x
  3. Step 3: Cross multiply
    68,380.61x = 94,252.30 × 45,711.33
  4. Step 4: Simplify right side
    68,380.61x = 4,308,397,988.56
  5. Step 5: Solve for x
    x = 4,308,397,988.56/68,380.61
  6. Step 6: Final answer
    x = 63,006.14

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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.