Home / 47,910.18-66,116.49-26,689.38

Finding the Fourth Proportional to 47,910.18, 66,116.49 and 26,689.38

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Solution

The fourth proportional to 47,910.18, 66,116.49 and 26,689.38 is: 36,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.18 : 66,116.49 = 26,689.38 : x
  2. Step 2: Convert to fraction form
    47,910.18/66,116.49 = 26,689.38/x
  3. Step 3: Cross multiply
    47,910.18x = 66,116.49 × 26,689.38
  4. Step 4: Simplify right side
    47,910.18x = 1,764,608,125.88
  5. Step 5: Solve for x
    x = 1,764,608,125.88/47,910.18
  6. Step 6: Final answer
    x = 36,831.59

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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.