Home / 79,134.18-109,205.01-43,323.90

Finding the Fourth Proportional to 79,134.18, 109,205.01 and 43,323.90

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Solution

The fourth proportional to 79,134.18, 109,205.01 and 43,323.90 is: 59,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.18 : 109,205.01 = 43,323.90 : x
  2. Step 2: Convert to fraction form
    79,134.18/109,205.01 = 43,323.90/x
  3. Step 3: Cross multiply
    79,134.18x = 109,205.01 × 43,323.90
  4. Step 4: Simplify right side
    79,134.18x = 4,731,186,932.74
  5. Step 5: Solve for x
    x = 4,731,186,932.74/79,134.18
  6. Step 6: Final answer
    x = 59,786.90

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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.