Home / 107,106.91-147,874.75-68,932.79

Finding the Fourth Proportional to 107,106.91, 147,874.75 and 68,932.79

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Solution

The fourth proportional to 107,106.91, 147,874.75 and 68,932.79 is: 95,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.91 : 147,874.75 = 68,932.79 : x
  2. Step 2: Convert to fraction form
    107,106.91/147,874.75 = 68,932.79/x
  3. Step 3: Cross multiply
    107,106.91x = 147,874.75 × 68,932.79
  4. Step 4: Simplify right side
    107,106.91x = 10,193,418,730.88
  5. Step 5: Solve for x
    x = 10,193,418,730.88/107,106.91
  6. Step 6: Final answer
    x = 95,170.51

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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.