Home / 79,119.27-118,666.10-29,222.87

Finding the Fourth Proportional to 79,119.27, 118,666.10 and 29,222.87

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Solution

The fourth proportional to 79,119.27, 118,666.10 and 29,222.87 is: 43,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,119.27 : 118,666.10 = 29,222.87 : x
  2. Step 2: Convert to fraction form
    79,119.27/118,666.10 = 29,222.87/x
  3. Step 3: Cross multiply
    79,119.27x = 118,666.10 × 29,222.87
  4. Step 4: Simplify right side
    79,119.27x = 3,467,763,274.26
  5. Step 5: Solve for x
    x = 3,467,763,274.26/79,119.27
  6. Step 6: Final answer
    x = 43,829.57

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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.