Home / 66,529.73-91,811.33-36,315.72

Finding the Fourth Proportional to 66,529.73, 91,811.33 and 36,315.72

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Solution

The fourth proportional to 66,529.73, 91,811.33 and 36,315.72 is: 50,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.73 : 91,811.33 = 36,315.72 : x
  2. Step 2: Convert to fraction form
    66,529.73/91,811.33 = 36,315.72/x
  3. Step 3: Cross multiply
    66,529.73x = 91,811.33 × 36,315.72
  4. Step 4: Simplify right side
    66,529.73x = 3,334,194,553.11
  5. Step 5: Solve for x
    x = 3,334,194,553.11/66,529.73
  6. Step 6: Final answer
    x = 50,115.86

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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.