Home / 67,172.36-92,703.94-36,963.72

Finding the Fourth Proportional to 67,172.36, 92,703.94 and 36,963.72

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Solution

The fourth proportional to 67,172.36, 92,703.94 and 36,963.72 is: 51,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,172.36 : 92,703.94 = 36,963.72 : x
  2. Step 2: Convert to fraction form
    67,172.36/92,703.94 = 36,963.72/x
  3. Step 3: Cross multiply
    67,172.36x = 92,703.94 × 36,963.72
  4. Step 4: Simplify right side
    67,172.36x = 3,426,682,481.06
  5. Step 5: Solve for x
    x = 3,426,682,481.06/67,172.36
  6. Step 6: Final answer
    x = 51,013.28

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1.5x scale

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.