Home / 118,049.79-162,903.96-64,333.64

Finding the Fourth Proportional to 118,049.79, 162,903.96 and 64,333.64

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Solution

The fourth proportional to 118,049.79, 162,903.96 and 64,333.64 is: 88,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,049.79 : 162,903.96 = 64,333.64 : x
  2. Step 2: Convert to fraction form
    118,049.79/162,903.96 = 64,333.64/x
  3. Step 3: Cross multiply
    118,049.79x = 162,903.96 × 64,333.64
  4. Step 4: Simplify right side
    118,049.79x = 10,480,204,717.21
  5. Step 5: Solve for x
    x = 10,480,204,717.21/118,049.79
  6. Step 6: Final answer
    x = 88,777.83

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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.