Home / 79,864.95-110,249.06-51,584.43

Finding the Fourth Proportional to 79,864.95, 110,249.06 and 51,584.43

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Solution

The fourth proportional to 79,864.95, 110,249.06 and 51,584.43 is: 71,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,864.95 : 110,249.06 = 51,584.43 : x
  2. Step 2: Convert to fraction form
    79,864.95/110,249.06 = 51,584.43/x
  3. Step 3: Cross multiply
    79,864.95x = 110,249.06 × 51,584.43
  4. Step 4: Simplify right side
    79,864.95x = 5,687,134,660.21
  5. Step 5: Solve for x
    x = 5,687,134,660.21/79,864.95
  6. Step 6: Final answer
    x = 71,209.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.