Home / 66,226.10-91,401.09-50,285.30

Finding the Fourth Proportional to 66,226.10, 91,401.09 and 50,285.30

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Solution

The fourth proportional to 66,226.10, 91,401.09 and 50,285.30 is: 69,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.10 : 91,401.09 = 50,285.30 : x
  2. Step 2: Convert to fraction form
    66,226.10/91,401.09 = 50,285.30/x
  3. Step 3: Cross multiply
    66,226.10x = 91,401.09 × 50,285.30
  4. Step 4: Simplify right side
    66,226.10x = 4,596,131,230.98
  5. Step 5: Solve for x
    x = 4,596,131,230.98/66,226.10
  6. Step 6: Final answer
    x = 69,400.60

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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.