Home / 47,908.16-66,115.30-26,687.42

Finding the Fourth Proportional to 47,908.16, 66,115.30 and 26,687.42

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Solution

The fourth proportional to 47,908.16, 66,115.30 and 26,687.42 is: 36,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.16 : 66,115.30 = 26,687.42 : x
  2. Step 2: Convert to fraction form
    47,908.16/66,115.30 = 26,687.42/x
  3. Step 3: Cross multiply
    47,908.16x = 66,115.30 × 26,687.42
  4. Step 4: Simplify right side
    47,908.16x = 1,764,446,779.53
  5. Step 5: Solve for x
    x = 1,764,446,779.53/47,908.16
  6. Step 6: Final answer
    x = 36,829.78

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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.