Home / 118,009.92-162,847.26-67,021.38

Finding the Fourth Proportional to 118,009.92, 162,847.26 and 67,021.38

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Solution

The fourth proportional to 118,009.92, 162,847.26 and 67,021.38 is: 92,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,009.92 : 162,847.26 = 67,021.38 : x
  2. Step 2: Convert to fraction form
    118,009.92/162,847.26 = 67,021.38/x
  3. Step 3: Cross multiply
    118,009.92x = 162,847.26 × 67,021.38
  4. Step 4: Simplify right side
    118,009.92x = 10,914,248,094.42
  5. Step 5: Solve for x
    x = 10,914,248,094.42/118,009.92
  6. Step 6: Final answer
    x = 92,485.85

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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.