Home / 79,102.32-118,634.78-29,155.29

Finding the Fourth Proportional to 79,102.32, 118,634.78 and 29,155.29

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Solution

The fourth proportional to 79,102.32, 118,634.78 and 29,155.29 is: 43,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,102.32 : 118,634.78 = 29,155.29 : x
  2. Step 2: Convert to fraction form
    79,102.32/118,634.78 = 29,155.29/x
  3. Step 3: Cross multiply
    79,102.32x = 118,634.78 × 29,155.29
  4. Step 4: Simplify right side
    79,102.32x = 3,458,831,414.99
  5. Step 5: Solve for x
    x = 3,458,831,414.99/79,102.32
  6. Step 6: Final answer
    x = 43,726.04

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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.