Home / 74,917.10-112,392.06-28,169.97

Finding the Fourth Proportional to 74,917.10, 112,392.06 and 28,169.97

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Solution

The fourth proportional to 74,917.10, 112,392.06 and 28,169.97 is: 42,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.10 : 112,392.06 = 28,169.97 : x
  2. Step 2: Convert to fraction form
    74,917.10/112,392.06 = 28,169.97/x
  3. Step 3: Cross multiply
    74,917.10x = 112,392.06 × 28,169.97
  4. Step 4: Simplify right side
    74,917.10x = 3,166,080,958.44
  5. Step 5: Solve for x
    x = 3,166,080,958.44/74,917.10
  6. Step 6: Final answer
    x = 42,261.13

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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.