Home / 68,190.99-94,103.31-37,976.70

Finding the Fourth Proportional to 68,190.99, 94,103.31 and 37,976.70

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Solution

The fourth proportional to 68,190.99, 94,103.31 and 37,976.70 is: 52,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.99 : 94,103.31 = 37,976.70 : x
  2. Step 2: Convert to fraction form
    68,190.99/94,103.31 = 37,976.70/x
  3. Step 3: Cross multiply
    68,190.99x = 94,103.31 × 37,976.70
  4. Step 4: Simplify right side
    68,190.99x = 3,573,733,172.88
  5. Step 5: Solve for x
    x = 3,573,733,172.88/68,190.99
  6. Step 6: Final answer
    x = 52,407.70

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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.