Home / 79,115.20-118,634.40-44,017.60

Finding the Fourth Proportional to 79,115.20, 118,634.40 and 44,017.60

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Solution

The fourth proportional to 79,115.20, 118,634.40 and 44,017.60 is: 66,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115.20 : 118,634.40 = 44,017.60 : x
  2. Step 2: Convert to fraction form
    79,115.20/118,634.40 = 44,017.60/x
  3. Step 3: Cross multiply
    79,115.20x = 118,634.40 × 44,017.60
  4. Step 4: Simplify right side
    79,115.20x = 5,222,001,565.44
  5. Step 5: Solve for x
    x = 5,222,001,565.44/79,115.20
  6. Step 6: Final answer
    x = 66,005.04

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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.