Home / 68,384.10-94,230.09-50,450.70

Finding the Fourth Proportional to 68,384.10, 94,230.09 and 50,450.70

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Solution

The fourth proportional to 68,384.10, 94,230.09 and 50,450.70 is: 69,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.10 : 94,230.09 = 50,450.70 : x
  2. Step 2: Convert to fraction form
    68,384.10/94,230.09 = 50,450.70/x
  3. Step 3: Cross multiply
    68,384.10x = 94,230.09 × 50,450.70
  4. Step 4: Simplify right side
    68,384.10x = 4,753,974,001.56
  5. Step 5: Solve for x
    x = 4,753,974,001.56/68,384.10
  6. Step 6: Final answer
    x = 69,518.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.