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Finding the Fourth Proportional to 66,756, 92,124.72 and 36,948

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Solution

The fourth proportional to 66,756, 92,124.72 and 36,948 is: 50,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756 : 92,124.72 = 36,948 : x
  2. Step 2: Convert to fraction form
    66,756/92,124.72 = 36,948/x
  3. Step 3: Cross multiply
    66,756x = 92,124.72 × 36,948
  4. Step 4: Simplify right side
    66,756x = 3,403,824,154.56
  5. Step 5: Solve for x
    x = 3,403,824,154.56/66,756
  6. Step 6: Final answer
    x = 50,989.04

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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.