Home / 79,116.55-118,704.89-51,090.14

Finding the Fourth Proportional to 79,116.55, 118,704.89 and 51,090.14

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Solution

The fourth proportional to 79,116.55, 118,704.89 and 51,090.14 is: 76,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116.55 : 118,704.89 = 51,090.14 : x
  2. Step 2: Convert to fraction form
    79,116.55/118,704.89 = 51,090.14/x
  3. Step 3: Cross multiply
    79,116.55x = 118,704.89 × 51,090.14
  4. Step 4: Simplify right side
    79,116.55x = 6,064,649,873.27
  5. Step 5: Solve for x
    x = 6,064,649,873.27/79,116.55
  6. Step 6: Final answer
    x = 76,654.63

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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.