Home / 85,721.44-118,351.92-52,244.32

Finding the Fourth Proportional to 85,721.44, 118,351.92 and 52,244.32

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Solution

The fourth proportional to 85,721.44, 118,351.92 and 52,244.32 is: 72,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,721.44 : 118,351.92 = 52,244.32 : x
  2. Step 2: Convert to fraction form
    85,721.44/118,351.92 = 52,244.32/x
  3. Step 3: Cross multiply
    85,721.44x = 118,351.92 × 52,244.32
  4. Step 4: Simplify right side
    85,721.44x = 6,183,215,581.09
  5. Step 5: Solve for x
    x = 6,183,215,581.09/85,721.44
  6. Step 6: Final answer
    x = 72,131.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.