Home / 66,868.79-92,288.37-41,383.36

Finding the Fourth Proportional to 66,868.79, 92,288.37 and 41,383.36

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Solution

The fourth proportional to 66,868.79, 92,288.37 and 41,383.36 is: 57,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.79 : 92,288.37 = 41,383.36 : x
  2. Step 2: Convert to fraction form
    66,868.79/92,288.37 = 41,383.36/x
  3. Step 3: Cross multiply
    66,868.79x = 92,288.37 × 41,383.36
  4. Step 4: Simplify right side
    66,868.79x = 3,819,203,110.07
  5. Step 5: Solve for x
    x = 3,819,203,110.07/66,868.79
  6. Step 6: Final answer
    x = 57,114.89

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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.