Home / 66,927.45-92,367.60-40,069.95

Finding the Fourth Proportional to 66,927.45, 92,367.60 and 40,069.95

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Solution

The fourth proportional to 66,927.45, 92,367.60 and 40,069.95 is: 55,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.45 : 92,367.60 = 40,069.95 : x
  2. Step 2: Convert to fraction form
    66,927.45/92,367.60 = 40,069.95/x
  3. Step 3: Cross multiply
    66,927.45x = 92,367.60 × 40,069.95
  4. Step 4: Simplify right side
    66,927.45x = 3,701,165,113.62
  5. Step 5: Solve for x
    x = 3,701,165,113.62/66,927.45
  6. Step 6: Final answer
    x = 55,301.15

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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.