Home / 118,052.13-162,912.09-64,337.21

Finding the Fourth Proportional to 118,052.13, 162,912.09 and 64,337.21

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Solution

The fourth proportional to 118,052.13, 162,912.09 and 64,337.21 is: 88,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052.13 : 162,912.09 = 64,337.21 : x
  2. Step 2: Convert to fraction form
    118,052.13/162,912.09 = 64,337.21/x
  3. Step 3: Cross multiply
    118,052.13x = 162,912.09 × 64,337.21
  4. Step 4: Simplify right side
    118,052.13x = 10,481,309,345.87
  5. Step 5: Solve for x
    x = 10,481,309,345.87/118,052.13
  6. Step 6: Final answer
    x = 88,785.43

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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.