Home / 66,945.70-92,386-36,730.46

Finding the Fourth Proportional to 66,945.70, 92,386 and 36,730.46

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Solution

The fourth proportional to 66,945.70, 92,386 and 36,730.46 is: 50,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.70 : 92,386 = 36,730.46 : x
  2. Step 2: Convert to fraction form
    66,945.70/92,386 = 36,730.46/x
  3. Step 3: Cross multiply
    66,945.70x = 92,386 × 36,730.46
  4. Step 4: Simplify right side
    66,945.70x = 3,393,380,277.56
  5. Step 5: Solve for x
    x = 3,393,380,277.56/66,945.70
  6. Step 6: Final answer
    x = 50,688.55

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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.