Home / 48,609.88-66,934.02-40,080.04

Finding the Fourth Proportional to 48,609.88, 66,934.02 and 40,080.04

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Solution

The fourth proportional to 48,609.88, 66,934.02 and 40,080.04 is: 55,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.88 : 66,934.02 = 40,080.04 : x
  2. Step 2: Convert to fraction form
    48,609.88/66,934.02 = 40,080.04/x
  3. Step 3: Cross multiply
    48,609.88x = 66,934.02 × 40,080.04
  4. Step 4: Simplify right side
    48,609.88x = 2,682,718,198.96
  5. Step 5: Solve for x
    x = 2,682,718,198.96/48,609.88
  6. Step 6: Final answer
    x = 55,188.74

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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.