Home / 47,942.06-66,160.12-26,720.88

Finding the Fourth Proportional to 47,942.06, 66,160.12 and 26,720.88

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Solution

The fourth proportional to 47,942.06, 66,160.12 and 26,720.88 is: 36,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.06 : 66,160.12 = 26,720.88 : x
  2. Step 2: Convert to fraction form
    47,942.06/66,160.12 = 26,720.88/x
  3. Step 3: Cross multiply
    47,942.06x = 66,160.12 × 26,720.88
  4. Step 4: Simplify right side
    47,942.06x = 1,767,856,627.31
  5. Step 5: Solve for x
    x = 1,767,856,627.31/47,942.06
  6. Step 6: Final answer
    x = 36,874.86

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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.