Home / 79,198.02-118,796.98-31,813.10

Finding the Fourth Proportional to 79,198.02, 118,796.98 and 31,813.10

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Solution

The fourth proportional to 79,198.02, 118,796.98 and 31,813.10 is: 47,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.02 : 118,796.98 = 31,813.10 : x
  2. Step 2: Convert to fraction form
    79,198.02/118,796.98 = 31,813.10/x
  3. Step 3: Cross multiply
    79,198.02x = 118,796.98 × 31,813.10
  4. Step 4: Simplify right side
    79,198.02x = 3,779,300,204.44
  5. Step 5: Solve for x
    x = 3,779,300,204.44/79,198.02
  6. Step 6: Final answer
    x = 47,719.63

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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.