Home / 86,182.36-129,269.78-27,016.68

Finding the Fourth Proportional to 86,182.36, 129,269.78 and 27,016.68

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Solution

The fourth proportional to 86,182.36, 129,269.78 and 27,016.68 is: 40,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182.36 : 129,269.78 = 27,016.68 : x
  2. Step 2: Convert to fraction form
    86,182.36/129,269.78 = 27,016.68/x
  3. Step 3: Cross multiply
    86,182.36x = 129,269.78 × 27,016.68
  4. Step 4: Simplify right side
    86,182.36x = 3,492,440,279.93
  5. Step 5: Solve for x
    x = 3,492,440,279.93/86,182.36
  6. Step 6: Final answer
    x = 40,523.84

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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.