Home / 92,538.62-138,786.37-25,985.18

Finding the Fourth Proportional to 92,538.62, 138,786.37 and 25,985.18

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Solution

The fourth proportional to 92,538.62, 138,786.37 and 25,985.18 is: 38,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,538.62 : 138,786.37 = 25,985.18 : x
  2. Step 2: Convert to fraction form
    92,538.62/138,786.37 = 25,985.18/x
  3. Step 3: Cross multiply
    92,538.62x = 138,786.37 × 25,985.18
  4. Step 4: Simplify right side
    92,538.62x = 3,606,388,047.10
  5. Step 5: Solve for x
    x = 3,606,388,047.10/92,538.62
  6. Step 6: Final answer
    x = 38,971.71

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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.