Home / 87,155.62-130,733.46-27,996.10

Finding the Fourth Proportional to 87,155.62, 130,733.46 and 27,996.10

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Solution

The fourth proportional to 87,155.62, 130,733.46 and 27,996.10 is: 41,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155.62 : 130,733.46 = 27,996.10 : x
  2. Step 2: Convert to fraction form
    87,155.62/130,733.46 = 27,996.10/x
  3. Step 3: Cross multiply
    87,155.62x = 130,733.46 × 27,996.10
  4. Step 4: Simplify right side
    87,155.62x = 3,660,027,019.51
  5. Step 5: Solve for x
    x = 3,660,027,019.51/87,155.62
  6. Step 6: Final answer
    x = 41,994.16

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Double scale
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Similar ratio
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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.