Home / 67,131.24-92,640.96-36,918.42

Finding the Fourth Proportional to 67,131.24, 92,640.96 and 36,918.42

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Solution

The fourth proportional to 67,131.24, 92,640.96 and 36,918.42 is: 50,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.24 : 92,640.96 = 36,918.42 : x
  2. Step 2: Convert to fraction form
    67,131.24/92,640.96 = 36,918.42/x
  3. Step 3: Cross multiply
    67,131.24x = 92,640.96 × 36,918.42
  4. Step 4: Simplify right side
    67,131.24x = 3,420,157,870.48
  5. Step 5: Solve for x
    x = 3,420,157,870.48/67,131.24
  6. Step 6: Final answer
    x = 50,947.34

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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.