Home / 92,290.51-138,431.58-25,729.30

Finding the Fourth Proportional to 92,290.51, 138,431.58 and 25,729.30

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Solution

The fourth proportional to 92,290.51, 138,431.58 and 25,729.30 is: 38,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,290.51 : 138,431.58 = 25,729.30 : x
  2. Step 2: Convert to fraction form
    92,290.51/138,431.58 = 25,729.30/x
  3. Step 3: Cross multiply
    92,290.51x = 138,431.58 × 25,729.30
  4. Step 4: Simplify right side
    92,290.51x = 3,561,747,651.29
  5. Step 5: Solve for x
    x = 3,561,747,651.29/92,290.51
  6. Step 6: Final answer
    x = 38,592.78

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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.