Home / 66,401.96-91,631.43-36,187.18

Finding the Fourth Proportional to 66,401.96, 91,631.43 and 36,187.18

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Solution

The fourth proportional to 66,401.96, 91,631.43 and 36,187.18 is: 49,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,401.96 : 91,631.43 = 36,187.18 : x
  2. Step 2: Convert to fraction form
    66,401.96/91,631.43 = 36,187.18/x
  3. Step 3: Cross multiply
    66,401.96x = 91,631.43 × 36,187.18
  4. Step 4: Simplify right side
    66,401.96x = 3,315,882,821.99
  5. Step 5: Solve for x
    x = 3,315,882,821.99/66,401.96
  6. Step 6: Final answer
    x = 49,936.52

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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.