Home / 84,926.88-127,408.64-25,767.31

Finding the Fourth Proportional to 84,926.88, 127,408.64 and 25,767.31

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Solution

The fourth proportional to 84,926.88, 127,408.64 and 25,767.31 is: 38,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.88 : 127,408.64 = 25,767.31 : x
  2. Step 2: Convert to fraction form
    84,926.88/127,408.64 = 25,767.31/x
  3. Step 3: Cross multiply
    84,926.88x = 127,408.64 × 25,767.31
  4. Step 4: Simplify right side
    84,926.88x = 3,282,977,923.56
  5. Step 5: Solve for x
    x = 3,282,977,923.56/84,926.88
  6. Step 6: Final answer
    x = 38,656.52

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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.