Home / 66,708.65-100,095.83-31,172.41

Finding the Fourth Proportional to 66,708.65, 100,095.83 and 31,172.41

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Solution

The fourth proportional to 66,708.65, 100,095.83 and 31,172.41 is: 46,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.65 : 100,095.83 = 31,172.41 : x
  2. Step 2: Convert to fraction form
    66,708.65/100,095.83 = 31,172.41/x
  3. Step 3: Cross multiply
    66,708.65x = 100,095.83 × 31,172.41
  4. Step 4: Simplify right side
    66,708.65x = 3,120,228,513.55
  5. Step 5: Solve for x
    x = 3,120,228,513.55/66,708.65
  6. Step 6: Final answer
    x = 46,773.97

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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.