Home / 102,939.44-141,943.62-67,062.92

Finding the Fourth Proportional to 102,939.44, 141,943.62 and 67,062.92

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Solution

The fourth proportional to 102,939.44, 141,943.62 and 67,062.92 is: 92,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,939.44 : 141,943.62 = 67,062.92 : x
  2. Step 2: Convert to fraction form
    102,939.44/141,943.62 = 67,062.92/x
  3. Step 3: Cross multiply
    102,939.44x = 141,943.62 × 67,062.92
  4. Step 4: Simplify right side
    102,939.44x = 9,519,153,632.57
  5. Step 5: Solve for x
    x = 9,519,153,632.57/102,939.44
  6. Step 6: Final answer
    x = 92,473.34

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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.