Home / 112,096.05-168,143.85-45,520.58

Finding the Fourth Proportional to 112,096.05, 168,143.85 and 45,520.58

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Solution

The fourth proportional to 112,096.05, 168,143.85 and 45,520.58 is: 68,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,096.05 : 168,143.85 = 45,520.58 : x
  2. Step 2: Convert to fraction form
    112,096.05/168,143.85 = 45,520.58/x
  3. Step 3: Cross multiply
    112,096.05x = 168,143.85 × 45,520.58
  4. Step 4: Simplify right side
    112,096.05x = 7,654,005,995.79
  5. Step 5: Solve for x
    x = 7,654,005,995.79/112,096.05
  6. Step 6: Final answer
    x = 68,280.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.