Home / 66,534.45-91,803.81-38,234.67

Finding the Fourth Proportional to 66,534.45, 91,803.81 and 38,234.67

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Solution

The fourth proportional to 66,534.45, 91,803.81 and 38,234.67 is: 52,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.45 : 91,803.81 = 38,234.67 : x
  2. Step 2: Convert to fraction form
    66,534.45/91,803.81 = 38,234.67/x
  3. Step 3: Cross multiply
    66,534.45x = 91,803.81 × 38,234.67
  4. Step 4: Simplify right side
    66,534.45x = 3,510,088,179.21
  5. Step 5: Solve for x
    x = 3,510,088,179.21/66,534.45
  6. Step 6: Final answer
    x = 52,755.95

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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.