Home / 66,715.41-100,072.86-26,752.26

Finding the Fourth Proportional to 66,715.41, 100,072.86 and 26,752.26

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Solution

The fourth proportional to 66,715.41, 100,072.86 and 26,752.26 is: 40,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715.41 : 100,072.86 = 26,752.26 : x
  2. Step 2: Convert to fraction form
    66,715.41/100,072.86 = 26,752.26/x
  3. Step 3: Cross multiply
    66,715.41x = 100,072.86 × 26,752.26
  4. Step 4: Simplify right side
    66,715.41x = 2,677,175,169.66
  5. Step 5: Solve for x
    x = 2,677,175,169.66/66,715.41
  6. Step 6: Final answer
    x = 40,128.29

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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.