Home / 78,786.56-118,145.20-29,504

Finding the Fourth Proportional to 78,786.56, 118,145.20 and 29,504

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Solution

The fourth proportional to 78,786.56, 118,145.20 and 29,504 is: 44,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,786.56 : 118,145.20 = 29,504 : x
  2. Step 2: Convert to fraction form
    78,786.56/118,145.20 = 29,504/x
  3. Step 3: Cross multiply
    78,786.56x = 118,145.20 × 29,504
  4. Step 4: Simplify right side
    78,786.56x = 3,485,755,980.80
  5. Step 5: Solve for x
    x = 3,485,755,980.80/78,786.56
  6. Step 6: Final answer
    x = 44,243.03

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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.