Home / 66,927.31-92,367.41-40,069.80

Finding the Fourth Proportional to 66,927.31, 92,367.41 and 40,069.80

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Solution

The fourth proportional to 66,927.31, 92,367.41 and 40,069.80 is: 55,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.31 : 92,367.41 = 40,069.80 : x
  2. Step 2: Convert to fraction form
    66,927.31/92,367.41 = 40,069.80/x
  3. Step 3: Cross multiply
    66,927.31x = 92,367.41 × 40,069.80
  4. Step 4: Simplify right side
    66,927.31x = 3,701,143,645.22
  5. Step 5: Solve for x
    x = 3,701,143,645.22/66,927.31
  6. Step 6: Final answer
    x = 55,300.95

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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.