Home / 68,872.10-95,036.19-38,660.75

Finding the Fourth Proportional to 68,872.10, 95,036.19 and 38,660.75

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Solution

The fourth proportional to 68,872.10, 95,036.19 and 38,660.75 is: 53,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,872.10 : 95,036.19 = 38,660.75 : x
  2. Step 2: Convert to fraction form
    68,872.10/95,036.19 = 38,660.75/x
  3. Step 3: Cross multiply
    68,872.10x = 95,036.19 × 38,660.75
  4. Step 4: Simplify right side
    68,872.10x = 3,674,169,907.36
  5. Step 5: Solve for x
    x = 3,674,169,907.36/68,872.10
  6. Step 6: Final answer
    x = 53,347.73

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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.