Home / 85,009.44-127,514.39-40,626.11

Finding the Fourth Proportional to 85,009.44, 127,514.39 and 40,626.11

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Solution

The fourth proportional to 85,009.44, 127,514.39 and 40,626.11 is: 60,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,009.44 : 127,514.39 = 40,626.11 : x
  2. Step 2: Convert to fraction form
    85,009.44/127,514.39 = 40,626.11/x
  3. Step 3: Cross multiply
    85,009.44x = 127,514.39 × 40,626.11
  4. Step 4: Simplify right side
    85,009.44x = 5,180,412,794.02
  5. Step 5: Solve for x
    x = 5,180,412,794.02/85,009.44
  6. Step 6: Final answer
    x = 60,939.27

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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.