Home / 102,936.92-141,940.14-67,060.40

Finding the Fourth Proportional to 102,936.92, 141,940.14 and 67,060.40

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Solution

The fourth proportional to 102,936.92, 141,940.14 and 67,060.40 is: 92,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,936.92 : 141,940.14 = 67,060.40 : x
  2. Step 2: Convert to fraction form
    102,936.92/141,940.14 = 67,060.40/x
  3. Step 3: Cross multiply
    102,936.92x = 141,940.14 × 67,060.40
  4. Step 4: Simplify right side
    102,936.92x = 9,518,562,564.46
  5. Step 5: Solve for x
    x = 9,518,562,564.46/102,936.92
  6. Step 6: Final answer
    x = 92,469.86

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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.