Home / 66,367.72-99,517.02-31,297.96

Finding the Fourth Proportional to 66,367.72, 99,517.02 and 31,297.96

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Solution

The fourth proportional to 66,367.72, 99,517.02 and 31,297.96 is: 46,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,367.72 : 99,517.02 = 31,297.96 : x
  2. Step 2: Convert to fraction form
    66,367.72/99,517.02 = 31,297.96/x
  3. Step 3: Cross multiply
    66,367.72x = 99,517.02 × 31,297.96
  4. Step 4: Simplify right side
    66,367.72x = 3,114,679,711.28
  5. Step 5: Solve for x
    x = 3,114,679,711.28/66,367.72
  6. Step 6: Final answer
    x = 46,930.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.