Home / 79,175.12-118,781.29-23,016.45

Finding the Fourth Proportional to 79,175.12, 118,781.29 and 23,016.45

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Solution

The fourth proportional to 79,175.12, 118,781.29 and 23,016.45 is: 34,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,175.12 : 118,781.29 = 23,016.45 : x
  2. Step 2: Convert to fraction form
    79,175.12/118,781.29 = 23,016.45/x
  3. Step 3: Cross multiply
    79,175.12x = 118,781.29 × 23,016.45
  4. Step 4: Simplify right side
    79,175.12x = 2,733,923,966.95
  5. Step 5: Solve for x
    x = 2,733,923,966.95/79,175.12
  6. Step 6: Final answer
    x = 34,530.09

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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.