Home / 92,342.26-138,512.76-25,782.40

Finding the Fourth Proportional to 92,342.26, 138,512.76 and 25,782.40

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Solution

The fourth proportional to 92,342.26, 138,512.76 and 25,782.40 is: 38,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,342.26 : 138,512.76 = 25,782.40 : x
  2. Step 2: Convert to fraction form
    92,342.26/138,512.76 = 25,782.40/x
  3. Step 3: Cross multiply
    92,342.26x = 138,512.76 × 25,782.40
  4. Step 4: Simplify right side
    92,342.26x = 3,571,191,383.42
  5. Step 5: Solve for x
    x = 3,571,191,383.42/92,342.26
  6. Step 6: Final answer
    x = 38,673.42

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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.