Home / 66,845.15-92,237.54-39,977.85

Finding the Fourth Proportional to 66,845.15, 92,237.54 and 39,977.85

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Solution

The fourth proportional to 66,845.15, 92,237.54 and 39,977.85 is: 55,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,845.15 : 92,237.54 = 39,977.85 : x
  2. Step 2: Convert to fraction form
    66,845.15/92,237.54 = 39,977.85/x
  3. Step 3: Cross multiply
    66,845.15x = 92,237.54 × 39,977.85
  4. Step 4: Simplify right side
    66,845.15x = 3,687,458,684.49
  5. Step 5: Solve for x
    x = 3,687,458,684.49/66,845.15
  6. Step 6: Final answer
    x = 55,164.19

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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.