Home / 68,108.96-93,982.20-37,886.65

Finding the Fourth Proportional to 68,108.96, 93,982.20 and 37,886.65

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Solution

The fourth proportional to 68,108.96, 93,982.20 and 37,886.65 is: 52,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,108.96 : 93,982.20 = 37,886.65 : x
  2. Step 2: Convert to fraction form
    68,108.96/93,982.20 = 37,886.65/x
  3. Step 3: Cross multiply
    68,108.96x = 93,982.20 × 37,886.65
  4. Step 4: Simplify right side
    68,108.96x = 3,560,670,717.63
  5. Step 5: Solve for x
    x = 3,560,670,717.63/68,108.96
  6. Step 6: Final answer
    x = 52,279.04

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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.