Home / 86,814.21-130,230.67-27,636.04

Finding the Fourth Proportional to 86,814.21, 130,230.67 and 27,636.04

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Solution

The fourth proportional to 86,814.21, 130,230.67 and 27,636.04 is: 41,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,814.21 : 130,230.67 = 27,636.04 : x
  2. Step 2: Convert to fraction form
    86,814.21/130,230.67 = 27,636.04/x
  3. Step 3: Cross multiply
    86,814.21x = 130,230.67 × 27,636.04
  4. Step 4: Simplify right side
    86,814.21x = 3,599,060,005.35
  5. Step 5: Solve for x
    x = 3,599,060,005.35/86,814.21
  6. Step 6: Final answer
    x = 41,457.04

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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.