Home / 86,537.67-129,822.53-27,388.23

Finding the Fourth Proportional to 86,537.67, 129,822.53 and 27,388.23

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Solution

The fourth proportional to 86,537.67, 129,822.53 and 27,388.23 is: 41,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,537.67 : 129,822.53 = 27,388.23 : x
  2. Step 2: Convert to fraction form
    86,537.67/129,822.53 = 27,388.23/x
  3. Step 3: Cross multiply
    86,537.67x = 129,822.53 × 27,388.23
  4. Step 4: Simplify right side
    86,537.67x = 3,555,609,173.88
  5. Step 5: Solve for x
    x = 3,555,609,173.88/86,537.67
  6. Step 6: Final answer
    x = 41,087.42

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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.