Home / 92,450.49-138,662.07-25,886.40

Finding the Fourth Proportional to 92,450.49, 138,662.07 and 25,886.40

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Solution

The fourth proportional to 92,450.49, 138,662.07 and 25,886.40 is: 38,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,450.49 : 138,662.07 = 25,886.40 : x
  2. Step 2: Convert to fraction form
    92,450.49/138,662.07 = 25,886.40/x
  3. Step 3: Cross multiply
    92,450.49x = 138,662.07 × 25,886.40
  4. Step 4: Simplify right side
    92,450.49x = 3,589,461,808.85
  5. Step 5: Solve for x
    x = 3,589,461,808.85/92,450.49
  6. Step 6: Final answer
    x = 38,825.77

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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.