Home / 66,591.41-91,898.12-36,377.23

Finding the Fourth Proportional to 66,591.41, 91,898.12 and 36,377.23

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Solution

The fourth proportional to 66,591.41, 91,898.12 and 36,377.23 is: 50,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,591.41 : 91,898.12 = 36,377.23 : x
  2. Step 2: Convert to fraction form
    66,591.41/91,898.12 = 36,377.23/x
  3. Step 3: Cross multiply
    66,591.41x = 91,898.12 × 36,377.23
  4. Step 4: Simplify right side
    66,591.41x = 3,342,999,108.24
  5. Step 5: Solve for x
    x = 3,342,999,108.24/66,591.41
  6. Step 6: Final answer
    x = 50,201.66

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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.