Home / 47,910.16-66,118.06-26,689.42

Finding the Fourth Proportional to 47,910.16, 66,118.06 and 26,689.42

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Solution

The fourth proportional to 47,910.16, 66,118.06 and 26,689.42 is: 36,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.16 : 66,118.06 = 26,689.42 : x
  2. Step 2: Convert to fraction form
    47,910.16/66,118.06 = 26,689.42/x
  3. Step 3: Cross multiply
    47,910.16x = 66,118.06 × 26,689.42
  4. Step 4: Simplify right side
    47,910.16x = 1,764,652,672.93
  5. Step 5: Solve for x
    x = 1,764,652,672.93/47,910.16
  6. Step 6: Final answer
    x = 36,832.54

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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.