Home / 66,310.20-91,506.76-36,096.16

Finding the Fourth Proportional to 66,310.20, 91,506.76 and 36,096.16

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Solution

The fourth proportional to 66,310.20, 91,506.76 and 36,096.16 is: 49,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.20 : 91,506.76 = 36,096.16 : x
  2. Step 2: Convert to fraction form
    66,310.20/91,506.76 = 36,096.16/x
  3. Step 3: Cross multiply
    66,310.20x = 91,506.76 × 36,096.16
  4. Step 4: Simplify right side
    66,310.20x = 3,303,042,650.04
  5. Step 5: Solve for x
    x = 3,303,042,650.04/66,310.20
  6. Step 6: Final answer
    x = 49,811.98

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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.