Home / 86,801.96-130,212.56-27,623.87

Finding the Fourth Proportional to 86,801.96, 130,212.56 and 27,623.87

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Solution

The fourth proportional to 86,801.96, 130,212.56 and 27,623.87 is: 41,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,801.96 : 130,212.56 = 27,623.87 : x
  2. Step 2: Convert to fraction form
    86,801.96/130,212.56 = 27,623.87/x
  3. Step 3: Cross multiply
    86,801.96x = 130,212.56 × 27,623.87
  4. Step 4: Simplify right side
    86,801.96x = 3,596,974,736.10
  5. Step 5: Solve for x
    x = 3,596,974,736.10/86,801.96
  6. Step 6: Final answer
    x = 41,438.86

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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.