Home / 86,218.96-129,333.91-27,056.97

Finding the Fourth Proportional to 86,218.96, 129,333.91 and 27,056.97

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Solution

The fourth proportional to 86,218.96, 129,333.91 and 27,056.97 is: 40,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,218.96 : 129,333.91 = 27,056.97 : x
  2. Step 2: Convert to fraction form
    86,218.96/129,333.91 = 27,056.97/x
  3. Step 3: Cross multiply
    86,218.96x = 129,333.91 × 27,056.97
  4. Step 4: Simplify right side
    86,218.96x = 3,499,383,722.85
  5. Step 5: Solve for x
    x = 3,499,383,722.85/86,218.96
  6. Step 6: Final answer
    x = 40,587.17

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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.