Home / 68,176.02-102,229.80-39,722.18

Finding the Fourth Proportional to 68,176.02, 102,229.80 and 39,722.18

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Solution

The fourth proportional to 68,176.02, 102,229.80 and 39,722.18 is: 59,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,176.02 : 102,229.80 = 39,722.18 : x
  2. Step 2: Convert to fraction form
    68,176.02/102,229.80 = 39,722.18/x
  3. Step 3: Cross multiply
    68,176.02x = 102,229.80 × 39,722.18
  4. Step 4: Simplify right side
    68,176.02x = 4,060,790,261.39
  5. Step 5: Solve for x
    x = 4,060,790,261.39/68,176.02
  6. Step 6: Final answer
    x = 59,563.33

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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.