Home / 79,931.35-119,814.41-29,976.22

Finding the Fourth Proportional to 79,931.35, 119,814.41 and 29,976.22

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Solution

The fourth proportional to 79,931.35, 119,814.41 and 29,976.22 is: 44,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.35 : 119,814.41 = 29,976.22 : x
  2. Step 2: Convert to fraction form
    79,931.35/119,814.41 = 29,976.22/x
  3. Step 3: Cross multiply
    79,931.35x = 119,814.41 × 29,976.22
  4. Step 4: Simplify right side
    79,931.35x = 3,591,582,963.45
  5. Step 5: Solve for x
    x = 3,591,582,963.45/79,931.35
  6. Step 6: Final answer
    x = 44,933.35

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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.