Home / 68,214.12-102,385.17-41,970.12

Finding the Fourth Proportional to 68,214.12, 102,385.17 and 41,970.12

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Solution

The fourth proportional to 68,214.12, 102,385.17 and 41,970.12 is: 62,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,214.12 : 102,385.17 = 41,970.12 : x
  2. Step 2: Convert to fraction form
    68,214.12/102,385.17 = 41,970.12/x
  3. Step 3: Cross multiply
    68,214.12x = 102,385.17 × 41,970.12
  4. Step 4: Simplify right side
    68,214.12x = 4,297,117,871.12
  5. Step 5: Solve for x
    x = 4,297,117,871.12/68,214.12
  6. Step 6: Final answer
    x = 62,994.55

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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.