Home / 107,108.91-147,877.51-68,934.79

Finding the Fourth Proportional to 107,108.91, 147,877.51 and 68,934.79

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Solution

The fourth proportional to 107,108.91, 147,877.51 and 68,934.79 is: 95,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,108.91 : 147,877.51 = 68,934.79 : x
  2. Step 2: Convert to fraction form
    107,108.91/147,877.51 = 68,934.79/x
  3. Step 3: Cross multiply
    107,108.91x = 147,877.51 × 68,934.79
  4. Step 4: Simplify right side
    107,108.91x = 10,193,905,097.57
  5. Step 5: Solve for x
    x = 10,193,905,097.57/107,108.91
  6. Step 6: Final answer
    x = 95,173.27

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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.