Home / 47,906.64-66,111.12-26,685.72

Finding the Fourth Proportional to 47,906.64, 66,111.12 and 26,685.72

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Solution

The fourth proportional to 47,906.64, 66,111.12 and 26,685.72 is: 36,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,906.64 : 66,111.12 = 26,685.72 : x
  2. Step 2: Convert to fraction form
    47,906.64/66,111.12 = 26,685.72/x
  3. Step 3: Cross multiply
    47,906.64x = 66,111.12 × 26,685.72
  4. Step 4: Simplify right side
    47,906.64x = 1,764,222,837.21
  5. Step 5: Solve for x
    x = 1,764,222,837.21/47,906.64
  6. Step 6: Final answer
    x = 36,826.27

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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.