Home / 107,936.10-148,997.88-67,672.80

Finding the Fourth Proportional to 107,936.10, 148,997.88 and 67,672.80

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Solution

The fourth proportional to 107,936.10, 148,997.88 and 67,672.80 is: 93,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,936.10 : 148,997.88 = 67,672.80 : x
  2. Step 2: Convert to fraction form
    107,936.10/148,997.88 = 67,672.80/x
  3. Step 3: Cross multiply
    107,936.10x = 148,997.88 × 67,672.80
  4. Step 4: Simplify right side
    107,936.10x = 10,083,103,733.66
  5. Step 5: Solve for x
    x = 10,083,103,733.66/107,936.10
  6. Step 6: Final answer
    x = 93,417.34

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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.