Home / 67,326.10-92,912-37,111.80

Finding the Fourth Proportional to 67,326.10, 92,912 and 37,111.80

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Solution

The fourth proportional to 67,326.10, 92,912 and 37,111.80 is: 51,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326.10 : 92,912 = 37,111.80 : x
  2. Step 2: Convert to fraction form
    67,326.10/92,912 = 37,111.80/x
  3. Step 3: Cross multiply
    67,326.10x = 92,912 × 37,111.80
  4. Step 4: Simplify right side
    67,326.10x = 3,448,131,561.60
  5. Step 5: Solve for x
    x = 3,448,131,561.60/67,326.10
  6. Step 6: Final answer
    x = 51,215.38

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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.