Home / 66,946.70-92,387.38-36,731.46

Finding the Fourth Proportional to 66,946.70, 92,387.38 and 36,731.46

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Solution

The fourth proportional to 66,946.70, 92,387.38 and 36,731.46 is: 50,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,946.70 : 92,387.38 = 36,731.46 : x
  2. Step 2: Convert to fraction form
    66,946.70/92,387.38 = 36,731.46/x
  3. Step 3: Cross multiply
    66,946.70x = 92,387.38 × 36,731.46
  4. Step 4: Simplify right side
    66,946.70x = 3,393,523,352.97
  5. Step 5: Solve for x
    x = 3,393,523,352.97/66,946.70
  6. Step 6: Final answer
    x = 50,689.93

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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.