Home / 66,926.46-92,366.20-40,068.94

Finding the Fourth Proportional to 66,926.46, 92,366.20 and 40,068.94

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Solution

The fourth proportional to 66,926.46, 92,366.20 and 40,068.94 is: 55,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.46 : 92,366.20 = 40,068.94 : x
  2. Step 2: Convert to fraction form
    66,926.46/92,366.20 = 40,068.94/x
  3. Step 3: Cross multiply
    66,926.46x = 92,366.20 × 40,068.94
  4. Step 4: Simplify right side
    66,926.46x = 3,701,015,725.83
  5. Step 5: Solve for x
    x = 3,701,015,725.83/66,926.46
  6. Step 6: Final answer
    x = 55,299.74

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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.