Home / 68,105.10-93,983.13-37,888.86

Finding the Fourth Proportional to 68,105.10, 93,983.13 and 37,888.86

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Solution

The fourth proportional to 68,105.10, 93,983.13 and 37,888.86 is: 52,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.10 : 93,983.13 = 37,888.86 : x
  2. Step 2: Convert to fraction form
    68,105.10/93,983.13 = 37,888.86/x
  3. Step 3: Cross multiply
    68,105.10x = 93,983.13 × 37,888.86
  4. Step 4: Simplify right side
    68,105.10x = 3,560,913,654.93
  5. Step 5: Solve for x
    x = 3,560,913,654.93/68,105.10
  6. Step 6: Final answer
    x = 52,285.57

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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.