Home / 66,735.42-92,085.82-39,872.26

Finding the Fourth Proportional to 66,735.42, 92,085.82 and 39,872.26

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Solution

The fourth proportional to 66,735.42, 92,085.82 and 39,872.26 is: 55,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,735.42 : 92,085.82 = 39,872.26 : x
  2. Step 2: Convert to fraction form
    66,735.42/92,085.82 = 39,872.26/x
  3. Step 3: Cross multiply
    66,735.42x = 92,085.82 × 39,872.26
  4. Step 4: Simplify right side
    66,735.42x = 3,671,669,757.35
  5. Step 5: Solve for x
    x = 3,671,669,757.35/66,735.42
  6. Step 6: Final answer
    x = 55,018.31

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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.