Home / 68,401.10-102,428.85-44,900.30

Finding the Fourth Proportional to 68,401.10, 102,428.85 and 44,900.30

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Solution

The fourth proportional to 68,401.10, 102,428.85 and 44,900.30 is: 67,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.10 : 102,428.85 = 44,900.30 : x
  2. Step 2: Convert to fraction form
    68,401.10/102,428.85 = 44,900.30/x
  3. Step 3: Cross multiply
    68,401.10x = 102,428.85 × 44,900.30
  4. Step 4: Simplify right side
    68,401.10x = 4,599,086,093.66
  5. Step 5: Solve for x
    x = 4,599,086,093.66/68,401.10
  6. Step 6: Final answer
    x = 67,237.02

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1.5x scale

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.