Home / 79,022.54-118,587.11-29,142.53

Finding the Fourth Proportional to 79,022.54, 118,587.11 and 29,142.53

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Solution

The fourth proportional to 79,022.54, 118,587.11 and 29,142.53 is: 43,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,022.54 : 118,587.11 = 29,142.53 : x
  2. Step 2: Convert to fraction form
    79,022.54/118,587.11 = 29,142.53/x
  3. Step 3: Cross multiply
    79,022.54x = 118,587.11 × 29,142.53
  4. Step 4: Simplify right side
    79,022.54x = 3,455,929,029.78
  5. Step 5: Solve for x
    x = 3,455,929,029.78/79,022.54
  6. Step 6: Final answer
    x = 43,733.46

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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.