Home / 79,702.24-109,989.88-43,893.36

Finding the Fourth Proportional to 79,702.24, 109,989.88 and 43,893.36

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Solution

The fourth proportional to 79,702.24, 109,989.88 and 43,893.36 is: 60,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,702.24 : 109,989.88 = 43,893.36 : x
  2. Step 2: Convert to fraction form
    79,702.24/109,989.88 = 43,893.36/x
  3. Step 3: Cross multiply
    79,702.24x = 109,989.88 × 43,893.36
  4. Step 4: Simplify right side
    79,702.24x = 4,827,825,399.20
  5. Step 5: Solve for x
    x = 4,827,825,399.20/79,702.24
  6. Step 6: Final answer
    x = 60,573.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.