Home / 67,128.64-92,673.12-41,986.24

Finding the Fourth Proportional to 67,128.64, 92,673.12 and 41,986.24

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Solution

The fourth proportional to 67,128.64, 92,673.12 and 41,986.24 is: 57,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.64 : 92,673.12 = 41,986.24 : x
  2. Step 2: Convert to fraction form
    67,128.64/92,673.12 = 41,986.24/x
  3. Step 3: Cross multiply
    67,128.64x = 92,673.12 × 41,986.24
  4. Step 4: Simplify right side
    67,128.64x = 3,890,995,857.87
  5. Step 5: Solve for x
    x = 3,890,995,857.87/67,128.64
  6. Step 6: Final answer
    x = 57,963.28

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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.