Home / 66,274.09-91,457.31-36,059.05

Finding the Fourth Proportional to 66,274.09, 91,457.31 and 36,059.05

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Solution

The fourth proportional to 66,274.09, 91,457.31 and 36,059.05 is: 49,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,274.09 : 91,457.31 = 36,059.05 : x
  2. Step 2: Convert to fraction form
    66,274.09/91,457.31 = 36,059.05/x
  3. Step 3: Cross multiply
    66,274.09x = 91,457.31 × 36,059.05
  4. Step 4: Simplify right side
    66,274.09x = 3,297,863,714.16
  5. Step 5: Solve for x
    x = 3,297,863,714.16/66,274.09
  6. Step 6: Final answer
    x = 49,760.98

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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.