Home / 79,319.52-118,977.39-23,157.36

Finding the Fourth Proportional to 79,319.52, 118,977.39 and 23,157.36

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Solution

The fourth proportional to 79,319.52, 118,977.39 and 23,157.36 is: 34,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,319.52 : 118,977.39 = 23,157.36 : x
  2. Step 2: Convert to fraction form
    79,319.52/118,977.39 = 23,157.36/x
  3. Step 3: Cross multiply
    79,319.52x = 118,977.39 × 23,157.36
  4. Step 4: Simplify right side
    79,319.52x = 2,755,202,252.09
  5. Step 5: Solve for x
    x = 2,755,202,252.09/79,319.52
  6. Step 6: Final answer
    x = 34,735.49

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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.