Home / 79,931.10-119,814.03-29,975.97

Finding the Fourth Proportional to 79,931.10, 119,814.03 and 29,975.97

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Solution

The fourth proportional to 79,931.10, 119,814.03 and 29,975.97 is: 44,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.10 : 119,814.03 = 29,975.97 : x
  2. Step 2: Convert to fraction form
    79,931.10/119,814.03 = 29,975.97/x
  3. Step 3: Cross multiply
    79,931.10x = 119,814.03 × 29,975.97
  4. Step 4: Simplify right side
    79,931.10x = 3,591,541,768.86
  5. Step 5: Solve for x
    x = 3,591,541,768.86/79,931.10
  6. Step 6: Final answer
    x = 44,932.97

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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.