Home / 79,205.06-118,807.85-20,040.73

Finding the Fourth Proportional to 79,205.06, 118,807.85 and 20,040.73

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Solution

The fourth proportional to 79,205.06, 118,807.85 and 20,040.73 is: 30,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,205.06 : 118,807.85 = 20,040.73 : x
  2. Step 2: Convert to fraction form
    79,205.06/118,807.85 = 20,040.73/x
  3. Step 3: Cross multiply
    79,205.06x = 118,807.85 × 20,040.73
  4. Step 4: Simplify right side
    79,205.06x = 2,380,995,349.49
  5. Step 5: Solve for x
    x = 2,380,995,349.49/79,205.06
  6. Step 6: Final answer
    x = 30,061.15

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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.