Home / 68,419.16-102,658.30-36,792.25

Finding the Fourth Proportional to 68,419.16, 102,658.30 and 36,792.25

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Solution

The fourth proportional to 68,419.16, 102,658.30 and 36,792.25 is: 55,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,419.16 : 102,658.30 = 36,792.25 : x
  2. Step 2: Convert to fraction form
    68,419.16/102,658.30 = 36,792.25/x
  3. Step 3: Cross multiply
    68,419.16x = 102,658.30 × 36,792.25
  4. Step 4: Simplify right side
    68,419.16x = 3,777,030,186.80
  5. Step 5: Solve for x
    x = 3,777,030,186.80/68,419.16
  6. Step 6: Final answer
    x = 55,204.28

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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.