Home / 79,076.04-118,605.24-19,911.72

Finding the Fourth Proportional to 79,076.04, 118,605.24 and 19,911.72

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Solution

The fourth proportional to 79,076.04, 118,605.24 and 19,911.72 is: 29,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.04 : 118,605.24 = 19,911.72 : x
  2. Step 2: Convert to fraction form
    79,076.04/118,605.24 = 19,911.72/x
  3. Step 3: Cross multiply
    79,076.04x = 118,605.24 × 19,911.72
  4. Step 4: Simplify right side
    79,076.04x = 2,361,634,329.41
  5. Step 5: Solve for x
    x = 2,361,634,329.41/79,076.04
  6. Step 6: Final answer
    x = 29,865.36

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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.