Home / 86,924.52-130,385.70-27,759.42

Finding the Fourth Proportional to 86,924.52, 130,385.70 and 27,759.42

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Solution

The fourth proportional to 86,924.52, 130,385.70 and 27,759.42 is: 41,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,924.52 : 130,385.70 = 27,759.42 : x
  2. Step 2: Convert to fraction form
    86,924.52/130,385.70 = 27,759.42/x
  3. Step 3: Cross multiply
    86,924.52x = 130,385.70 × 27,759.42
  4. Step 4: Simplify right side
    86,924.52x = 3,619,431,408.29
  5. Step 5: Solve for x
    x = 3,619,431,408.29/86,924.52
  6. Step 6: Final answer
    x = 41,638.79

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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.