Home / 68,434.96-102,651.34-56,723.44

Finding the Fourth Proportional to 68,434.96, 102,651.34 and 56,723.44

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Solution

The fourth proportional to 68,434.96, 102,651.34 and 56,723.44 is: 85,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,434.96 : 102,651.34 = 56,723.44 : x
  2. Step 2: Convert to fraction form
    68,434.96/102,651.34 = 56,723.44/x
  3. Step 3: Cross multiply
    68,434.96x = 102,651.34 × 56,723.44
  4. Step 4: Simplify right side
    68,434.96x = 5,822,737,125.41
  5. Step 5: Solve for x
    x = 5,822,737,125.41/68,434.96
  6. Step 6: Final answer
    x = 85,084.25

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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.